{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0xf9403eea579044298a7ad65335c5cfb5b68ac7b08ae9787a55d0413fb7b13f42",
    "signature": "0x43937136f12f6999cfa2d22b73438b8f0866af3df00f994a562fc91cd98dbb3b35d226a87dd2318e17e968822d109bfd80f7ffa9c258544f5f6384bf91be9ba81b",
    "signer": "0xede5a1527271aFb900714b8Faf61EE0714131C19",
    "userId": "329941643"
  }
}