{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355715",
    "entityType": "User",
    "nonce": "0x48feb9cdbcd8c7d2fd24af65dc398e487464fa8e4a3c3a3aea42f2527129d770",
    "signature": "0xdeeadfeaf157c5b3d3e9f8473d9a38f96bc7e5c74d4ca4d223266a0275f46e7d775c0cc4b7ff33e1c3a60082c88dc6bd7f873f85746ae4e8a8a513294c357b401c",
    "signer": "0x0E71C12c426F5C9206F778713f48B60477CA943b",
    "userId": "29088079"
  }
}