{
  "manageEntity": {
    "action": "Update",
    "entityId": "362365713",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x378f4f58ab5f8060d8e162eb362b66903688a3b52e99d4960a8679f8559a10fb",
    "signature": "0xb62dceb8bbb7e66d455ec196a3783f28754a2b89227b928717dcb7728891b50b19b1215cd896738364a69d0a542ee7e799047b07cb7e573b519f57d10f932fb91b",
    "signer": "0x37ED3a35ceaBb6d73870f78ffD242D9352b1606A",
    "userId": "362365713"
  }
}