{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "142029",
    "entityType": "User",
    "nonce": "0xb1cda6e86bcb75dfc5c3f73606aaf95ed013897aa3c5f6e72e9c6bed18a20d00",
    "signature": "0xda87ee0e2e552ef91fdb462fd35eb148ac20e2b276d205a3824002d922f81f4e090e7780a14aa334f4c2733545b89dbfccf07aa24c6185c51a079c1f8168e7341c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}