{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdf6f6e816c21efc62b0e573085704da136c17ffae2cce35c0f99c8a1e59e97d2",
    "signature": "0x29292ade7edcb282af5b2e7bb7f8318edfad42421a28618fbb2ae98ef3bd6bcc63cf0bf6d78cdd5654fa3ed364c16a4ec11a8014b892d0ff9ac17e1f4cd828331c",
    "signer": "0xcc8164Efbbe4ed123B8689622b411c154496e66b",
    "userId": "60031"
  }
}