{
  "manageEntity": {
    "action": "Update",
    "entityId": "914462657",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc23449cfe779b6ea7f3c860a53545252f57e3908907b201fee252fb280c0d1bf",
    "signature": "0x4ebc2b08622dd248c8f2a5e8bde4dfce53d3e8f4f2c1cf3d6d70e424d1e193a942653d53afd3acca172afd36a1fdbd47520e74f3c2616a971446c875568bc56f1c",
    "signer": "0x60824E42B28a3C9D7A9eB6A6feFC1cfB7B41F7C2",
    "userId": "914462657"
  }
}