{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0x63fdf4961d555e798a9146a744a2c256c8ebf9c04b8e6a205c7baac2349996f8",
    "signature": "0x764d67528d40f0a7bec0b55602a99e2a322d73c90ebeba34474609d7beb370990fd73e6f5e62a9b975989967a751bc55aeff82f7c844a8223c2be87db5a467411c",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}