{
  "manageEntity": {
    "action": "Update",
    "entityId": "341292657",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x78989d6e4096522235c07c27d1a9fef94f85e2c0b2588ae700d3662c045ca61d",
    "signature": "0x0c6455e6a3d073a5d0902669f5ca53eea987126ceb7e3516b21c9ba12550deb762d5e554e9c57d564381eedb1d4caa94bd27909e079dc34d4cd011b5ac7ffeb01c",
    "signer": "0x6818B889bFEAe14D2ADdaC4dBF0eAe75779d7Ac4",
    "userId": "341292657"
  }
}