{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "532310468",
    "entityType": "User",
    "nonce": "0xdc306fd93d2beab0385da12006ccfbc7055d94c9d7768bdee41429bf453a40a3",
    "signature": "0x7fe14160bb0c8889d3130e337be1686bf2ec5e5a10a755fac39021eca410b00728c4ea41a299ac5f51f7c9f7ae32d568acaf0556eb0c5cdd507c49b12ce2bce11b",
    "signer": "0xE7A4a8f1d081B44C96Ed68610B6c3016ce8cD6E0",
    "userId": "464427506"
  }
}