{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "49486",
    "entityType": "User",
    "nonce": "0xcc41fbdb2eaebb9d526db7aeba47ea7f0c2b36f710ec2b9962b2d1cc4e44f66e",
    "signature": "0xb503a9329594ec1c15f275a426951d19861fb5e3d7a5a70a6d6d023d7450a73b567d63b988ccd394eeaa9fae8f291f4fb6296b269e09e8318563f0de18a95cc81c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}