{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "290283513",
    "entityType": "User",
    "nonce": "0xe74b34c5b59c2a291023ca7ab1028a83f3ca7ce823f8c64c3019bf2bd28d0d82",
    "signature": "0x9befc9b2732ae7646ffe8102dda410f1afbbba10419fdcb83678b55370d991fc419f7b194736d9690153d9f887467e6036f256a5d4c233d694bdfcac736a6dad1b",
    "signer": "0x0cA981EBB0E4Aa80eA1e5833e1685eEe6A1B7ba2",
    "userId": "395354603"
  }
}