{
  "manageEntity": {
    "action": "Update",
    "entityId": "934065758",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x1d93eb2ad77f9b01920f7f015b5aa92de8496fa4039178dd4ce1dc6bb4f72d7d",
    "signature": "0x689fa6487322d963364beaa5b7cbec6e0dd80e25fd755f882e1b49bcfc85f9aa4b52fd4dca4ab81d51b82156fd01a347977b77fb85482177804ad91ca6aa37f91b",
    "signer": "0xFE17Fe2677AF57d35AbC9CeafeA4FF91C4542293",
    "userId": "934065758"
  }
}