{
  "manageEntity": {
    "action": "Update",
    "entityId": "39647837",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xab82cd80850068d7fbf71af616234c194e298d59cfc9c11d545c5d64290c4b26",
    "signature": "0x0d381088b4b0bd0e90eb1c9c93fc4d8e2c2870383e337c871a6bdd9374e38f5a0a0a7ba3568ffb0a146779cad3d5d8bf2b89a364c6d874af216d28b101acaa021c",
    "signer": "0xCE9ca624422b724D086Ad4665A4F57e57cf8797f",
    "userId": "39647837"
  }
}