{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0xb415d66c630bd2e9458aebaed14cadbc68ef4cbda825b2b288b53d4def990d74",
    "signature": "0xba29a974d8c49cccfc23ebd409140978dc2b980fee4f13a5ecdd8b06d6e9d3bf4c6e33eb4a97152fdf9f9225939943fe7086bd43eb9ba74d9dbc4ce2760f79a81b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}