{
  "manageEntity": {
    "action": "Update",
    "entityId": "769111966",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa0db20b627d0a262cd4f144cbf2c52b53a6a4f4fb036e4d7d13690c8c3e59be5",
    "signature": "0xd2f0a5f341ef1e293c966dadc757b59f3ffbdbc57912a24857142173b4e942713ff8f5bb474ec92fd89f4e04ed3ce0b39e616270e8261687ca018c92c3a8430a1b",
    "signer": "0x62c97d7bde145A438C26C21F10116CBEecb45779",
    "userId": "769111966"
  }
}