{
  "manageEntity": {
    "action": "Update",
    "entityId": "936771662",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa9f9c937d1ccd80ae5bdc0196320d296e55989161d7a32d4bcb235a01998f287",
    "signature": "0xea29b6d11237e120ab955c97034022fc7e821778aa9362c07b735c0607545ad20895e79d9ff749c08d68cbbd4e6e1effa048baa39f094bcefbafdf16595572fb1c",
    "signer": "0x68deA683FFA1c6FB35F77bD50e1e15773fcb42f4",
    "userId": "936771662"
  }
}