{
  "manageEntity": {
    "action": "Update",
    "entityId": "792292100",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieratzg2frcfwsg7cerrruvh76frluokg34qkk35bboltuj5vamktnsa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1081613084},{\"type\":\"playlist\",\"playlist_id\":1358232381}]}}}",
    "nonce": "0xf1563f0426867aaea39cda18f26f4763a85da50c18e24dedf085f444767551dd",
    "signature": "0x585c3728521515e270f3ce27a729c0a8b769ae5e018b98af7b3ec1b7570e5f7466a9d633429915df150b756333eef9e0cedf003ab636a67854f1dd66ba8f1a1e1b",
    "signer": "0x542da10885D0Fa8a6Ea722C03Bf5B40bCcdBAc05",
    "userId": "792292100"
  }
}