{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x349fd3392956651b161ac6dc87541ec1af90aa1ebac9e3b67514e7a31c7cedb7",
    "signature": "0x416ffdd6700a9249c5afec2bb1cbf7600f2cd48117b8ae4b71b4cfee993bc01944322a4cfff1c6ebd8befd9552b15c483f3d66b62c5dafef54612f42946402591c",
    "signer": "0x3Ae0bbac4c63b449Cc99b47414fC01f346f354ce",
    "userId": "986538065"
  }
}