{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "337206",
    "entityType": "User",
    "nonce": "0x968a49a1caa8c5d36247b0984423f58b90e9b577e2b099ad2edc8ac934678f0a",
    "signature": "0x725015f8430d650247158c058324ca5d85b839d145516231e85662017f6f82d67e2fb87cc194ae183ee85b18e7f467ea358ddb262c2891ab7b7ab832750d80611b",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}