{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "824478223",
    "entityType": "User",
    "nonce": "0xea74c94af954b61d914a701fe9ed2b7d4890ce55107d7f88eda0b1e85605a7c8",
    "signature": "0xfc4a1197afbb60be53929a31a33edec2dba72b69b3132836354e01852e6a11d06106799c1e16bc37993e7d3387d0ea160bf69bd74b6cad1d42d86f6b53a181ca1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}