{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xf38d43c006f34ff2ce0fe360c199ffb310b550d6137f55c19d262d49124e9247",
    "signature": "0x0807da22a11677df3fd7c345eba73b208980ab906a885839db1fe720a7ddbeee511f50367dec782b609f7fbeb07f1b0df212709b4f1491e70232abf0a683dee11c",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}