{
  "manageEntity": {
    "action": "Update",
    "entityId": "813175682",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xf19acd07a271cfd159bc7d10aa10f3bc20abf5c4c4a49a1848fa8ef4e2ed2933",
    "signature": "0x13b008066750994a5990a7813e5c0b69c91d19fb09cf17cc0f93e2183a06b02a4da13d5db902e283a2d3467e62bb1a4b5c8c3675bd71a6839c1383e0eb2ae5171b",
    "signer": "0x09Bc9B35a18a7222aB9A0fb3211Eb36eb8dCf5b2",
    "userId": "813175682"
  }
}