{
  "manageEntity": {
    "action": "Update",
    "entityId": "612535858",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieramo3nf5rb442ttrmircw64vbibryuac6dnkqlkc5rahaofr3lzakq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":9733393},{\"type\":\"playlist\",\"playlist_id\":833781591},{\"type\":\"playlist\",\"playlist_id\":1852519384},{\"type\":\"playlist\",\"playlist_id\":1408589209},{\"type\":\"playlist\",\"playlist_id\":271445232}]}}}",
    "nonce": "0xe2505407c59532ef7b1ab7513472aeb41160afa62f324b74b7e6157ccf70a54f",
    "signature": "0xbe31b739c3329e6e9b0a7366e9af6f6da1e28b2e2d34bee16161fe9edb05de421ee9b7c59c140ef34a443725b6a77e893d2b3208cd8f7ec5c326b871733049511c",
    "signer": "0x473ac84E91B21C4fEEa96a0742db8bAeDC7F3A5e",
    "userId": "612535858"
  }
}