{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x873e8e05ccc12c6f39b132ac497faa3a4204fb2dc625f3de3084674ecc16fdba",
    "signature": "0xfd3dc04c7fbb1b1e05b42aa2b5d2af11e8efc7b84916f6438dfb56312b07c521574c29d2228d08d3540866dbf7b62d19d4dd176ce4f8f66d61439f3e261c1ef81b",
    "signer": "0x63B5aB5931d5b70DB6CEcE08E6298CC38898d01C",
    "userId": "433140359"
  }
}