{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xe78f9c32807109be8444b31c955ba28f528f67a7f8284093169e2f6f6184b381",
    "signature": "0xdd56459c15af5af33d07178643347ab9ebb77a956c26129147f0b8aa50bbb9cd3e29bc70f8a3f89a2b6a535e3ef4513bd3f4ab1b49d54a83ed8edc74f2904b411b",
    "signer": "0x926F8d71a7109CF6Cce00DA74e1BcF50aAf63E8b",
    "userId": "358546053"
  }
}