{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "662251356",
    "entityType": "User",
    "nonce": "0x8b7c25995e7c0ecc3028d1f22852d420ca9ce37e7e993c32e4ad3f162736f894",
    "signature": "0x56fc8f42e7e522fc95444be21272c4378ac2b05032f5661569bc2308fc4efc52229610a250751eb4d38cbf3f5295a8329f374356354b10f9eabcada364566ee61c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}