{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0xc3788980d056fd6ace68ae855e0ebe8ce002fefb62e487bb20dd3366d85bd90b",
    "signature": "0xbef4c1d74ac34a56e0bd67db0af18a988acfd29a2378bcd78c2c229f6e5ee5e22776b074217e6c0553d0c34ceb0358c9f604a72a10f07ba85b92bebced99feee1c",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}