{
  "manageEntity": {
    "action": "Update",
    "entityId": "702879195",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3333d4abcf762002d3dda6877832073e6ebda721844c7a1b5c521e6f0703c941",
    "signature": "0xe3c1b823ae38bb68af1973aeef2a3285a44332927bc470cd83998fefeca07fb73478d73a4c3b7de38df33575dbacbb7f8d6697acb467d3e79a0c8c79507f0dc21c",
    "signer": "0x09Aad929cFE72962Bf77021998ad06853BB57b93",
    "userId": "702879195"
  }
}