{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "206673",
    "entityType": "User",
    "nonce": "0x24a20f2cf28d44470b88faf022b4ebb04f1244eae7f8e88753d9b631d51b1bf8",
    "signature": "0xd0b3ad003c8889b243ea9e23aed199b6c1cb646a590808caca4a5b36da9de5095b0ab01610743dfb10c3214bdc14b81324fed539a8d66bdcfcb9374622671a801b",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}