{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "330240",
    "entityType": "User",
    "nonce": "0xd45370eb907ca8aa5542988106db26766039c505148e91c79aab1a12e42c04a2",
    "signature": "0x9e49ca23bc29c0e3d32e34ab3ecf9cecde511eb2f7d823680aedc2833bf5e287735b5757ed9163d675da8a8b1be2e0111900bf74b9f95691250dae029bfe9aab1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}