{
  "manageEntity": {
    "action": "Update",
    "entityId": "614239389",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierakrmknslf3x6uxvm4b24w5dcd46hg5rkzo7abcm5uojf3ofx2fdka\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":8356115},{\"type\":\"playlist\",\"playlist_id\":1125479599},{\"type\":\"playlist\",\"playlist_id\":1853627743},{\"type\":\"playlist\",\"playlist_id\":1418943116},{\"type\":\"playlist\",\"playlist_id\":122588658}]}}}",
    "nonce": "0x75c44491992c8a1be74c64bfdeb49b976f694334d456f8afec0a23bd64f5b9b7",
    "signature": "0xc95de3447b2b5cc9f20c0462b9ca88f727ab23a5402591f568caacf9d3cea0f7619c7c0a85c41b559aea3443a28c6575988a6038344c5b89e57d81517cead51d1b",
    "signer": "0x7CBD48746133eD85fF7961BB95ef540342952cf5",
    "userId": "614239389"
  }
}