{
  "manageEntity": {
    "action": "Update",
    "entityId": "205422552",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x904dab63d72b2e54969f3d3fb7fc0dd013dbbefc2e7ca3585bfda5ebcab83a0b",
    "signature": "0xa53b2bc13cb40d884e9773d3e92282e78a1cee7ebf8a98e38cc128971ddc34285966dc97fe63bf5b5d49f1af0031850fd6e6719b79290f6409f4291011549cc31b",
    "signer": "0x73aBd59a92cb50DD72C1aB09Fc2dc8b80c0DA9Ca",
    "userId": "205422552"
  }
}