{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956114594",
    "entityType": "User",
    "nonce": "0xff3b97e5e3159fd3e58d5179fdd3cf1a53462e93cf9432fc19ca709e6f72e986",
    "signature": "0xf31606662f14a2f047ca19538c341ff45edcd5e2b7d51f3002a1decd2646c4735c2e4a1e577eaf8e3cb7e67d8b85b4acda7f5fff967958317f6378922d76c5451c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}