{
  "manageEntity": {
    "action": "Repost",
    "entityId": "577886869",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3d4b15317405d67c10b917fda8e8659e3c7e8cb648590da86a3eb045d152af69",
    "signature": "0xee2e34e35528a2fa0f46df3cc61a5bdb3fbeda14003b6463cd2daa4910c980cf5a2a5f82c1113af52ab44f7c7fc71f37ec1ebbc496da5ba4bc1865f875a33f0c1c",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}