{
  "manageEntity": {
    "action": "Update",
    "entityId": "881446128",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierau4pco2b6cb7d6b7nexr6swmhyv6mwl5xm6mfk3mji4iwldq5r5wa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":586009028},{\"type\":\"playlist\",\"playlist_id\":646434696},{\"type\":\"playlist\",\"playlist_id\":1287347764},{\"type\":\"playlist\",\"playlist_id\":131939},{\"type\":\"playlist\",\"playlist_id\":324701354},{\"type\":\"playlist\",\"playlist_id\":473287813}]}}}",
    "nonce": "0xec7e72b56b7ab38a31a1fadea9363c8587ad7eea1f8717303b212c1583f2860a",
    "signature": "0x2b231c6595d251833bd9d4772a028a418cef8c6eac6810001c1cc16468265f8c66169bf0a6805b8d6b460c506ae77ba863f8f14dbddb347e2d79ca13190498991b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}