{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7229",
    "entityType": "User",
    "nonce": "0xf469f67d9c8abf4c54b76be0df31455d514df547c5938164d36c7f901ccd0a60",
    "signature": "0xba6a0cef900c69df0b13b8da199f3fe71768ef298a81886424a0d4d7be5eb5f94b4612c9ee66d09f4bdd6d1c65df5705163eed13128ea19a553b29c9ab8172161c",
    "signer": "0x7F88F4E4Eb93B3BDcCb20108296f7726D1eD38EC",
    "userId": "394672788"
  }
}