{
  "manageEntity": {
    "action": "Update",
    "entityId": "589493935",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd14570e92c1d81cf378019bb5f28f1111143350f049cd88cc1a8980882ea2df0",
    "signature": "0x3e3bdebf265cd986831dcd8bc648e68c398e4dfef9e0fe1e4fea61b80e319ad30b41c6b95dccea0f3fe8aaf68f50ea024bf70f55f2233aaa6980defd25357c981c",
    "signer": "0x926df7fa80bA2ba165a36C73d79f556a94B3fA50",
    "userId": "589493935"
  }
}