{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75322",
    "entityType": "User",
    "nonce": "0x8a410b5592e2d295682fd1c2957ea320a0d16ac1221aebba2f7871dbe34263c5",
    "signature": "0x455990550f631e5ae218d1cb06349b322c8c62f032463530cdf04fab22791b6c40564f321f43c1427bdb6fd045e65a4a6e28cf142a50b7c1820d24435179bd3a1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}