{
  "manageEntity": {
    "action": "Update",
    "entityId": "97368722",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf84144f5bd94e7f2e6ea216d92f4f0eaf853b6bf8542f16040fc65a3f659a90c",
    "signature": "0x0175bc65a4a832592a92e89e3076adb2e8a2a103194c8b48cabd45c64dc6186b0fac754ba13f8f2825e64059e84606b03a0f9915a7c5a6de4430e6f848f0e75c1c",
    "signer": "0x64CEF429BfbDDcA7ba32782942285bb8feDa2Fd9",
    "userId": "97368722"
  }
}