{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967911423",
    "entityType": "User",
    "nonce": "0x5d1ac9e0613192f38f078e3283e6e98dc4d842346c3f89b87ea27c749c4cd543",
    "signature": "0xb74796d34fcbe936fe9d907f386a2b1dc4eaa1b321f5d0577b56fdce13dd951d323c663e11e0d5adde569cfd1cacd4ef8510a12a567de38a3672ec23f8bddd0d1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}