{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x1dd376bc7b58246c773371c753ae0eadb5b59cbe0d296dbfc2492575bec6e751",
    "signature": "0x02c3b7a462ec494250a6beb6da0e7d892ee8663dfcc32d44b1ddd9aa232e85cb728d72f334a28468700040f9445c1407f3cf7338ddf0fd03c09e78ce8c9b7f871c",
    "signer": "0xea79EEd60D97517387a63Acc5fd3BeE2227F1658",
    "userId": "220230236"
  }
}