{
  "manageEntity": {
    "action": "Update",
    "entityId": "432325885",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6e4239628b1cdca6aa527958dba0d03908335dac679b276fa3be574a4de38d12",
    "signature": "0xeafaed8e868ebaa3a5f9e15b56616073d6d285e415e269e3ba9149e74bd09d8506f00ffe5d5c7c986d3ad6cf20b32fb0cc35c99e0fa3ff96900e743d37366f6d1b",
    "signer": "0xe8b35C15D74ca4BFaA90fdA95a1602B2175ec8B7",
    "userId": "432325885"
  }
}