{
  "manageEntity": {
    "action": "Update",
    "entityId": "47150955",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xdb18450210bd34b8312def7831c6a9448b8d32e0d6b4975f49c1ea74c7376023",
    "signature": "0xc911a688feec804dd6e91a6b8f0c38bbd9b7ed03262134291d2844121a7bfad8656aa03667eae5b357764f6cb1412a8e955256dbf1c9d9ca697e2ef75236a9f71c",
    "signer": "0x645AAbB3BF848412862B16580BBDb4CEeBBf2EE6",
    "userId": "47150955"
  }
}