{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "446645802",
    "entityType": "User",
    "nonce": "0x5648a0330181e92ca5560b69488bce14d93f5494a4b5af778a3db90f93be589e",
    "signature": "0xe0e11800a561d47e98a0df6de6985a4b4fb3e661d736d8d6e12df5c33c2065917d5bae2eee02361117010573e16014e0e71fa766be2c28510a0d5d1d98ef8e381b",
    "signer": "0x406fd2b6f6C6cC5622Ac1c5799cE4911D81e02a7",
    "userId": "461949730"
  }
}