{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "398",
    "entityType": "User",
    "nonce": "0x69cbc74e7bbc84d3b53942cefc6c80c151027cdf25c9e399c8054d8e9bd2761b",
    "signature": "0xb7a03b7bc8fcc5969295cdf0aba3d31b9f83ef0a7d97c98ee01315d0d6a81b2113a270a42ebffe289080efa39d422312ce505157be9ceb4d08a89a3e132b50421c",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}