{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0x66362b603c9a9ada8d486a1346d4186fbe08b60c808956f8340ed751f583d20c",
    "signature": "0xbe3957c14b8d0d82272888c223d9c0907d34bebf9f95c1f9a9663effd75c3bec6ae6d5fdf6a8c854612a445406cd67bde3ee8ca173142f758194e1803b4160c51b",
    "signer": "0x09Ed944A6653804DF5E864d5240c837F643E2c0F",
    "userId": "214509563"
  }
}