{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "4220",
    "entityType": "User",
    "nonce": "0x9f81bc2b623af3af7b117f4e00c5ba34604249f7bbd31b43eeaadf7d7ccededc",
    "signature": "0xb681cd566a4f02b7c5ed02579ca1781bb76ae4e60af6efa6321390d27f86378c1b12f76a16ee1770a85796fe5e9531569928cb85891bcee9d45e08abd1bac2841c",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}