{
  "manageEntity": {
    "action": "Update",
    "entityId": "569574910",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4a08a95fe9b98322f37fa9f9972a82a243d63f662f4b1d427efbabf41b543718",
    "signature": "0x556bcee4a4eb7263d5c83ee80c01b40bf5e9881fd31783a99729a6b212dda8de3534123aaac80237d48f590c70c6d394c27f5f6349196c67eea2b72a4a9b8a5c1c",
    "signer": "0x0e2Cb4578608C6839e885c2bf380a1e05205E959",
    "userId": "569574910"
  }
}