{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x3498df61d8f89217f9932caf91417e11eab9bc3a1f8909b4b59a7726aa3ce73a",
    "signature": "0x7fdaae1a5762b761d24751bc97c05841c52c1336457b2548fe89179ed0711d041b1b9dd1ffa5a97b58ef16e7defbb4df661884ef68e19dd08091ba39e77dff0f1b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}