{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xe24ce53e20cf3343513dcf29f8b4221eba63a3ca01d623f9aa4a51a3162a3c5e",
    "signature": "0x6a132de9d06902647238bafc43f24914adbae8f5180f55f16db5045e1b0d32ad1ab364a7e37a29db63441cb5db5c4cf775f30bf2c31f66ef7819466519fb2a191b",
    "signer": "0x5Af531A9cDF9747df40f57531227d70F1bdD2ed7",
    "userId": "511108744"
  }
}