{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "144769",
    "entityType": "User",
    "nonce": "0x363a70a4fb2bb579938dd1c2c8804c353b7eccf93dfd9bf72d37c6ce059f0176",
    "signature": "0x2a1ff0448f1e3ab9a9d3112c94a7331ac3732f0218ba36efda17bbf35ef552056e63fa3791e59d90a2f57eba41b6e7006609aadf0d40b45ec9acfa9c858f2c321c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}