{
  "manageEntity": {
    "action": "Update",
    "entityId": "28235",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierarskcubh2bvbybh7qnq7jac6cqbotniqrl4mbyzan4gvg34uqunbq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1441145947},{\"type\":\"playlist\",\"playlist_id\":251722687},{\"type\":\"playlist\",\"playlist_id\":1144140239}]}}}",
    "nonce": "0x958e02c33373d95331da8539e2526feef791ec5a5af4203d676b4dc5493911e7",
    "signature": "0xedadf813bd90d012d25e75140e9ce0179a9cae8b8b861f8e9a9af2d45acad4d0733bd3e5c2400fdfcb5f21400b68a098ac4c428cacc1d9cc926731da9eac99571b",
    "signer": "0x44ca462A6495055071cedCC1630d5A5860cD5094",
    "userId": "28235"
  }
}