{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "53010",
    "entityType": "User",
    "nonce": "0x49aaffdc5d83628d52c3f32154390c858c62a3ce8647832ba392a52425440ce6",
    "signature": "0xaffd020b207e17b60e2e55097412865d55dbffaa8247f48e09db642820bbb0b404a1cb8801a3a996e50ed537646b5e96832a7b3b0ead8e78683371cbd2eb83001c",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}