{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17532",
    "entityType": "User",
    "nonce": "0x2d78f4702ef2be387c43a8bc5835d3d9a508f85d3b40b79c6c0ab58527af8f7d",
    "signature": "0x1a1e7adee986bab4b7f7f419c54bfdd312f6eb8bce0a3953daaefa4130cbfff627b5ce71b6dd559f358c83ab0fd764ea9bd699df47b34d4bbd7d058f91a6f6371c",
    "signer": "0xe441Bd2d07235275aa0158144cAd275A16Ee95b1",
    "userId": "946727338"
  }
}