{
  "manageEntity": {
    "action": "Update",
    "entityId": "225859947",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x345fa436efaf90d18a6a39c374b93984198e4a27ef5b4fabd7dc753b5f0f423a",
    "signature": "0xfaa30327bf5330499778431cc3daa47e62357b46582f0056458aa7843c3f7a3f0808e0780b219c65eba0d28cc522bd476bfa21ba325132c654868d5f93718da81b",
    "signer": "0xd8ABEcaa1B7225F9e8459593B9271494d2477Ca8",
    "userId": "225859947"
  }
}