{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "1308298",
    "entityType": "User",
    "nonce": "0xaec17faa20315f6128861199b35da686740a98e78d9b54232d602514ef83459b",
    "signature": "0x34b38a5474ab30afc4a53b56565b5665c03b843d7a9b8ca3618c4248b3dd54a469be6de59e6bba6fca6bdd70c8914a93eaf9000f00c5786686aad0861d1035651c",
    "signer": "0x95B378bAaBcca47f15C460388CAEadc2772f66eb",
    "userId": "140"
  }
}