{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "210899",
    "entityType": "User",
    "nonce": "0x9807442a07ec6eb28ba82b427624f33bd119626f410faf888223dde3ac6e6766",
    "signature": "0x23017200de42efd8b26faf651a7f02e3d3acb45945fe3aebbb79f8bdc77c69fc0a3efe18d64e9b9e3c724a942fbb063eb642cf78e2e3e8ee9a7c13255b3a00eb1b",
    "signer": "0x4A868B813a8F5D7C187F9f07a2D7e7A24355Cf3f",
    "userId": "185302"
  }
}