{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x49fcda29ae8b64452392723d8744876450e0c570b3d10db49f8b797a2c438d21",
    "signature": "0x87b3c8a2412832beb829a7e9ad1050adcb810270ab4c76bad8b2bc38ef54686a39e4a9d420cce29e2dd347ff31738b30654697be9b94c1c00903bb84f5527e2c1b",
    "signer": "0x2fbC1fF5a73141F2B07c5162F632686D6d0105Ff",
    "userId": "692310750"
  }
}