{
  "manageEntity": {
    "action": "Update",
    "entityId": "957494971",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xcc3e92babae4947cb80dc5c46cba66d3e185e4cc92b6050ad4d07ac303041a44",
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    "signer": "0x3496A034C6077e38E7b33210De0C26dE7264Ee7C",
    "userId": "957494971"
  }
}