{
  "manageEntity": {
    "action": "Update",
    "entityId": "307156675",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera3w2nuvphzjqz6odnodvaiy7vkcxaf5nx4e7xno3mssk4axy37i4a\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":2058011818}]}}}",
    "nonce": "0x291ba257b6614a7f8472f3d2d556a594cb611d213fa6bf5552ac583ce59199be",
    "signature": "0xd132e9d4adca3ddfd98d154ee9f739c9d347a796711b37f049a5d346f5fb1c7851936fa0b523151048ca6f7a842ce967aa0bd83d0c8e9110fe88bd27bf51056e1b",
    "signer": "0x0BbaE3b1B763858507f1A953DC2f9Ef8343268D5",
    "userId": "307156675"
  }
}