{
  "manageEntity": {
    "action": "Update",
    "entityId": "782622982",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera3ftcddoumibarqykbzfynn2wmo4s22dqw6xakonl5mkbegcaaibq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2081662984},{\"type\":\"playlist\",\"playlist_id\":1462517476}]}}}",
    "nonce": "0x88eee027e03b0de1ab03c70d44d1fb0f8009d142d61653f42d6bd99d92b17f4f",
    "signature": "0x34149a6d11d2943d5e66cde266c4dbfc7f6d1479c4fad4c9fcf4db704a8d138b04a99669bd31332cf66068aeb9734be70263d5ef0d1cc3780e433801bb3fd83d1c",
    "signer": "0xa1D28e033738CffAd36AE2F1dFeBD0267F14ef48",
    "userId": "782622982"
  }
}