{
  "manageEntity": {
    "action": "Update",
    "entityId": "282228420",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xaf5f7ba2e1c94aaf3de628e11895df754dd1defdcb947bef39c4370aca102128",
    "signature": "0x0351dffa3d7d0e408098fb7b0a76a8fa6724a6971dd933e7cdb325924ed0d2631308ce01e9175ecfc41a3814908fdbe131f12cc83cf6383a2658dcd1352236641b",
    "signer": "0xBCf6e47632dAEE8edBaCE056A9322bDb09EDBa4E",
    "userId": "282228420"
  }
}