{
  "manageEntity": {
    "action": "Update",
    "entityId": "746024683",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x76c3f06334053779b73328698bebe292147ee975523bfab486b1e10884e3dbb1",
    "signature": "0xc74319437213a2e990132253d093ac790c34ae52f984566231c837fcc6f1d39f78fba681f3e5f0ffc1b05249cd66a9f8c0efc01a091b7fe535c6f8cc4f9d30b91b",
    "signer": "0x1Ca1b0dD8C999C3DE081d614C49390Eb017c17D3",
    "userId": "746024683"
  }
}