{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "557210595",
    "entityType": "User",
    "nonce": "0xd3a7f0085423a471a6826e3bc3acaf4aa3df949dfd768c9e6822f59ad4bcc849",
    "signature": "0x13046d8d0e311add523f67b5616253e79c08bea8741a6d567c54f58b77eb1a59070fcc88b9cf5f6e6cc40fe8c5d6668e7b5dcd8c887cc306f1442e1bf2d72b891b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}