{
  "manageEntity": {
    "action": "Update",
    "entityId": "58600206",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x13eb37be119f689c3346ddfad2f9b9c8993a41eb381efb1a89a661552f8fe2b3",
    "signature": "0xf9d084d9fb26383ecdd041be084ab89dc188632cfc367202ae75ced0f14f193c6b08a17417cad92ebd837453614ea19366d740b5c35b6b0800a5af92f3fc2c311c",
    "signer": "0x7D89eD1c2C9744b86AE1D1301E8F342289D2f3cB",
    "userId": "58600206"
  }
}