{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77436",
    "entityType": "User",
    "nonce": "0xeb70439a78746f87063b048aa9515ec5fa29e0272da9cc47d340737782db1383",
    "signature": "0x19fadfdf35aa51955ae9987e9001814f4c03038b7a6934f40e1b710b2935fbf0232b9331ae3ca6d9e17595b6eee5e9bf7d6dea45646ee6109b0090788627e7e81b",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}