{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "672274420",
    "entityType": "User",
    "nonce": "0x6b69cd9d62df5699e2c58d2bd57a8746ec5c00ab2422d2da3636d12a7b52d4d5",
    "signature": "0xf871c236609fd24b18fb19c69306d60f9b3142afa80d89d2428c48ad367cf448738c2f9c960015b0547c46de4aa377ea46f1d87aea588d0089bcd08965af899b1b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}