{
  "manageEntity": {
    "action": "Update",
    "entityId": "426200974",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd641321bc221d6296b61bb8967bf105a01a68df2d927b6b24d0c6c39f27f50e8",
    "signature": "0xd2c657e8ac1be396254400b73dca730c8d626bfe43fb5709f4b3cc0ab93742c52865c960ebdec7ec6b07b7821cb364f8cf97a2bae74523abf472cbca4b73c0951c",
    "signer": "0x911F705554cbb79211D9281C72F158Aa47b0aC16",
    "userId": "426200974"
  }
}