{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x6c19572240746ae858e5c01208e95b77d3fd71132b3c0763a754901ec85a4156",
    "signature": "0xd10afc899d6f3017d58900b27fb364771e7ba710037389ed2b2c99692cc24f7f2eeb1776befeb0df7524c4ec7e9fb9deb9d09e626ea54e078de021c1da3d72ae1c",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}