{
  "manageEntity": {
    "action": "Update",
    "entityId": "87862265",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierae75z5lf3ms63k4nqsq3yo4nvkaufcwx4hp2n3nmfliwroxr4m2ga\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1531486924},{\"type\":\"playlist\",\"playlist_id\":484736033},{\"type\":\"playlist\",\"playlist_id\":832249251},{\"type\":\"playlist\",\"playlist_id\":165200933},{\"type\":\"playlist\",\"playlist_id\":738235702}]}}}",
    "nonce": "0x4bc045e0e0fa53411d43272794a7eb1d83371226c5b548d689502f3a192b408a",
    "signature": "0x39c3bbf8778751a743e0cb1d577a1d5b8303455632758af83480ac3e79e619e466368f03107d5f21d9c02c63e74ba0a2c07db3980ac114563a187c62cb8c8d4b1b",
    "signer": "0x77dc0D687FdCf6769B72c6e7a907f005c300B0dd",
    "userId": "87862265"
  }
}