{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x911f8c1cca3a1969d4103ee6f94a11ba22c8d4c79197e65b31c2af2a3d750ed0",
    "signature": "0x31e7f5087fd40a6a01a38d0f5bc98501527e7e600a7e6bce84dbfeb0340a2fb008dadef6d1a1cbe868437d70db832881aefd712a3802320a1d7f33b079bc30ba1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}