{
  "manageEntity": {
    "action": "Update",
    "entityId": "808518779",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2b4f323ee1b6ef87942576fb841845761f16858620c5320f3c7a5ebd2d5a6ec6",
    "signature": "0xefe5a9e79d8f45b485cf1ae91c6bfb93c25ecb35c3a5c4b6594c106ae8e6848d162cc7294296d55d4717e02f856e7dc2ca71e00ebccfa1235ce5f682c29708471b",
    "signer": "0x2b36551b5c82E140f5d2097f92cC2ad9aEbB0396",
    "userId": "808518779"
  }
}