{
  "manageEntity": {
    "action": "Repost",
    "entityId": "521613181",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb5b233716482280daabd78a5f2eb3ad5964503e686ea608a075a29f390e17043",
    "signature": "0xe559fe4aa2c52ab9b5ea48c7acd6e7ee3d241632d9d226beea0aa64388d370701e5dcdcf06a75ca55a7bfecffd964f0a37b2b23c4e0646422a1b4c73568d9d231b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}