{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xfcbb021dbb00b80b27555ab3629b5d028d3fdf3fa94f3e24be2cba20cfec59d4",
    "signature": "0x92ad3fc1613e3d82010c48d259101915be5ce5b1e3743feee978b4eb86ded86f728df6cc9b6660b8fabaa4cf60a417d17740c194f08aa8ae8bca562e436d9b541b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}