{
  "manageEntity": {
    "action": "Update",
    "entityId": "71392784",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x17f788613039760fcd2b1926ec8aa6b8113dc2aba79fcdccf751dd18c8904219",
    "signature": "0xbcd6cdee4bf4531264774a4caf52e83bf84062af38c3f0a5d8a74e988dce59782a655aa27a5621e2fb6cba2ed31ff22ca972df668de60ce23ceae5369798b1511b",
    "signer": "0x7b399BCFDc17B336685A59b06a03cA6B22F6B493",
    "userId": "71392784"
  }
}