{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117311",
    "entityType": "User",
    "nonce": "0x3f4c8d8442dea6e9281e850ed2210517b36c4a8dcd90b3856edbbc94aa8dfeab",
    "signature": "0x8f535504fb5be57a6d22d26a6f540c20d3464e3a28b06395f1221788113e757748199054e2c0b40f4441b449a4da0a0d4d3c18e2b1db436a0a59f186f715b6991c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}