{
  "manageEntity": {
    "action": "Update",
    "entityId": "472132674",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc06b2839dbd947f8957834909b3ecba3caad0f9bfe21d3750db1436d2d28911b",
    "signature": "0x312b9a89bbc4c19a8cba610f6d7814cc6d74b86c3012be8659261f847d80dbbe232f3f18543463c9198fbb30bfb865a2ea4a6768c99526a8f8516150c9c2584c1b",
    "signer": "0xD2Aac9AfBCCCD7fe1cE86a4b23E8e304cBb38aD3",
    "userId": "472132674"
  }
}