{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xde80f5e60b337f76eab60d0cd351effc4e9a1b2bfc102b335459754becfa7319",
    "signature": "0x31abec56407002fe9db04532bfba276f2663f8c95e891181e5dd371fe41697a65e286f866000bddf811b692e1642199bcf7a0d0f622ba94325a74ce9ecd87a171c",
    "signer": "0xcE1000874CF7A0a7b16c35A55F7D6f10C607A868",
    "userId": "442277469"
  }
}