{
  "manageEntity": {
    "action": "Update",
    "entityId": "236184745",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xee14015036ef09b8887244c36feee2805772756d6805b4f7286a51d35b26333d",
    "signature": "0x583d43d18c2c2b48b2d71c258d4f0d9f54230e5dff3ec6fdfbb24d84d73fb7b66686a099733fa6e78507edad8faf8b927ae15213170a4a26b597a53ca37d0e3c1c",
    "signer": "0x8346caC07445e2bfd9cfF12337BE37E7Fd3c96B6",
    "userId": "236184745"
  }
}