{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "193889654",
    "entityType": "User",
    "nonce": "0x7118bd80862d080875a08c374fe95a96ba6f238e2bb487a6e2136f233263dcdf",
    "signature": "0x42ea61ec379357a80aace0870a553cb2216ecd682f1bf171ae21f770603dc43b5c3f2702715c41f9ee89204413a2abf3e105eb5f3aeb03f48cf7001a320e76ca1c",
    "signer": "0xeD4de8C7aEdcca7a62a5E17Fb9DF5ee4991E5b73",
    "userId": "209405413"
  }
}