{
  "manageEntity": {
    "action": "Update",
    "entityId": "417838670",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x88228165b81c97ab6c03a34b3e8a5d3f410b71f59515e7447a7a347f4bd80397",
    "signature": "0xebd39ac3ae745af4b86d69895767c6c066fa9124c6169c19f60b86e1b4ece47b30a693575ccaa858c7932005e475b00f3256022167df69cf59eedfed9e5b9c751b",
    "signer": "0xfD436c2cA96F1A065592948780034F11058bB918",
    "userId": "417838670"
  }
}