{
  "manageEntity": {
    "action": "Update",
    "entityId": "965884988",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x24ebe4538a71f9987798dabf8fa973545e0fee6a133e39aad4076fe50367b8ba",
    "signature": "0xe4b6ba82ebb1dccc03495127a903fce2aaaf7d3a2412889b5225c53b1d8ebf1b24909b37d0f2adcaff6cd27d553a304b5fcb534e153a931e6ebdb6dd49ae5d8d1c",
    "signer": "0x8e25D456625B4642865b48549F8d5171Cb0a1DA6",
    "userId": "965884988"
  }
}