{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x107cad488694dc8e13e2242d58572404c50f5e9281506732a17c31952bceaed8",
    "signature": "0x4af0452cb04a87476da6c89c89b02c9bd871ffe17ab75687c60bb7942911ee3c6660f7fa309af69cd8c6da20eda489e3ad5c5e361cb3ae1c9c415742c8360b981c",
    "signer": "0x0fdbE0966d6f65E3DE225D16D06131c10d4F2b3e",
    "userId": "560630042"
  }
}