{
  "manageEntity": {
    "action": "Update",
    "entityId": "178678516",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieratw2zljyjnlsisrrsskwfyc5iqtkfkyyr5jiax7ylwuk2fzcicsfq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1182385288},{\"type\":\"playlist\",\"playlist_id\":1091249018},{\"type\":\"playlist\",\"playlist_id\":1355171953},{\"type\":\"playlist\",\"playlist_id\":1469774609},{\"type\":\"playlist\",\"playlist_id\":1854892007},{\"type\":\"playlist\",\"playlist_id\":919453828},{\"type\":\"playlist\",\"playlist_id\":1594708736},{\"type\":\"playlist\",\"playlist_id\":1539252864},{\"type\":\"playlist\",\"playlist_id\":2085753160},{\"type\":\"playlist\",\"playlist_id\":1176576053}]}}}",
    "nonce": "0x4efe78965e1e56ffdd618931f3fc30aa86fcc264c6320c2b803e155b4bf217dc",
    "signature": "0xa60856a6041687a1687c9396a941a018f3534bfab42034cc7fc53e0e4cb2bd3c2352846ef7b6b3b42a6f2e2f3d88031a6a6f380c18132ded2b9b26203851e7a71b",
    "signer": "0x9c0E158fd6a79ba8384938c72F34b5D765d2A9Df",
    "userId": "178678516"
  }
}