{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x062b368f03cc8d55dd5ee83d0042575139852ea02caa1abccf8387aecb92f975",
    "signature": "0x6702335d4fc6c3f8f41a1d581bb28c465b22220822adfe70909a7d6cc23b7c893f1a99b910d9dbfd3bb53c60823a905ecb455fb4179e344ec9af89e12899ca211c",
    "signer": "0x261c17dd7171Ea18B7ffF1AbB7D0495fEa0dB0ad",
    "userId": "185086709"
  }
}