{
  "manageEntity": {
    "action": "Update",
    "entityId": "690093689",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xdd6e85a1339b8e252bfe25e7071b0c44a0ecddbd16564d069b6be60c0056849c",
    "signature": "0xa4f2eb0b74411ed7e081a0b466bdb9c3b69cf41b162bd0d268aa4b38dc7d33020dab6efba9e836b0748fb4dd55287ceb13d7d058fbda52166ee3e1d42946ebad1c",
    "signer": "0xbb3b8C270080b0DAE42411345FCDc6a00369e247",
    "userId": "690093689"
  }
}