{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707937",
    "entityType": "User",
    "nonce": "0xb0c3fb0895f304a43e8502b62a6120a9195202df757de4b88e6c1045595c65e9",
    "signature": "0x94384825828d8b32716e7ae8e775cce2b1a4da4309b0ebfa9d7d9c4a7c09616064023408fe16a5f993f69dcfc08c0be910c393162720fb4a992d5a1002f935021b",
    "signer": "0x9dAd29daB4c84eD1c075d9540D3a375B84271BC1",
    "userId": "225924157"
  }
}