{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x4e787e69926fea45fef69f5e4f17b607098303f5d036e9027eea3bd71effc18d",
    "signature": "0xc2253ecaba7495674e65716094155099688c49fd15d3aa56ab7351efb21eaa01572cb1b94965abe88cecf13233cc4535b3e954ef9388f6cc88c816cb4db9692f1c",
    "signer": "0x0fdbE0966d6f65E3DE225D16D06131c10d4F2b3e",
    "userId": "560630042"
  }
}