{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "831117417",
    "entityType": "User",
    "nonce": "0xdcc982567605780d7dcdcc1dee64f06c1ee153b3484acd2eb5b3116ff3cd0693",
    "signature": "0x578406f2356dbd25fac9b2319aa79f3ec8c8bc91286f075ba19d35dfcb5a62be4fbb2a5792e5e3dfbcc132e68fceb6030b94ffb9a74bcc98fdb743848d4594d61b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}