{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18872025",
    "entityType": "User",
    "nonce": "0xa8079267beca6659fb8f5abf07e34e333b5a1a4ec558c622bebfd581af011ebd",
    "signature": "0x1888beb3c575a374f031cf9ac5fa133fd99ea91d6f817947eadbac33320d6b08328fe63ca2effb941bfc252fbd98c1998e6cdc097c4b6b50278870687035d5661b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}