{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "105826",
    "entityType": "User",
    "nonce": "0x818e13a56cd6a16397bde4317afdebb667022f3a9237c84f022349e7079478c5",
    "signature": "0x30fd810c2ba38fb6d5ba0c8b6b828a1e24ce8e16c8dd7d9007472e97530f12c1540aaf728c6c3739880648ab7c0109f86fe632e9772c547afd5d64e0fe89c6601c",
    "signer": "0x1B7594799b4E189Ff1B3C4fD8289B2e8d82B000b",
    "userId": "66769284"
  }
}