{
  "manageEntity": {
    "action": "Repost",
    "entityId": "499642431",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb81f6c61341762c91efd0ff7e110a0c76837d70053dae940f63b2c567185fecf",
    "signature": "0x4e955eba452bc678503a0aa7e9a919e1f236b85f76f97233a60d4687ff36bfd20700a2c89f61c43df8e2a7a4ac17db6b5f656e80dc87173abc659d58ee7596631c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}