{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40758",
    "entityType": "User",
    "nonce": "0xa104330005705947e6c4d024fb05e3845a3c20744fe8658bf28a3fc552538f24",
    "signature": "0xf8abf130f51c0f8741b6d987a37156512f7cf80edc260d39e50f9e5834b7e6e31d5b6287dba25e53653968388ab26d0ab08198bfd0699fb1a126fb6b0fdf8fbe1b",
    "signer": "0x48ECe992edB7C739B36f37DDbE8Fe352996B5A56",
    "userId": "183063753"
  }
}