{
  "manageEntity": {
    "action": "Update",
    "entityId": "985299453",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x995aef7c9489847464fb2b73c54570a5424891458deff80fd7680694ec9f672f",
    "signature": "0xf298ef85151d0853d5ccccc41ed38d6121f0b55009850eb1586cf08dcec324c340db81117094c55b5de53cbbb3d01d7ac1726557b69d1dd7351d071a8e00f7331c",
    "signer": "0x6af61a1BfE52f8D07411A6551040A9Db6A5a3100",
    "userId": "985299453"
  }
}