{
  "manageEntity": {
    "action": "Update",
    "entityId": "58263579",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraykqpwa6i2q7srhbilqdiarvbuozvlbatsaz37j7aap6ycia5alga\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1803143457}]}}}",
    "nonce": "0xe651318662f68e2914c579e36f86a44cd92212acafba2d6ec8255575f5dd8760",
    "signature": "0xe3cc4b1da32b84a92e18bd12f4fc8626ed3ad95145436a77fa34a84abb70b60a1f5699cddeac524f92c107403e053c2e83a529fc0129c86f0091a75d3b3415081b",
    "signer": "0x66f5043296664fF395A7cEfBBd8dA90224695997",
    "userId": "58263579"
  }
}