{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "191625",
    "entityType": "User",
    "nonce": "0x955a083d36c752ab5de9a743d4dcc4f09805320df9487c489458f2fb882b3dc4",
    "signature": "0x846c2769d07f834af10718988e95c5db533632ed4448f35e9c56fcd4cb5051372afffa19521db3548f88c42ffe0e754f3bb4ce18ffaa8e3c8c0811e5e2ec83781b",
    "signer": "0x0a5148A3f132E6696c1Cd3FDA8465fC5fF17d3D2",
    "userId": "803288761"
  }
}