{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdcb9e1247951c5fea0bdd689511c6c500ce142d815383f4c6dad1eeb256f027e",
    "signature": "0xe006b0a5be74432853527532aa511fc6395eb9038fa34a0a574ea5c3e8fa75f50ed5ac09b6a16cffe5b96264bb3bc564d35f24bbfc828fb8ac2f0fe848a7ac711c",
    "signer": "0x6417c32d446C1d5c21f4B382A7a09339740F776d",
    "userId": "839870687"
  }
}