{
  "manageEntity": {
    "action": "Repost",
    "entityId": "528304",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf9e2940adae3b629499d69566187294ff2f956824dfdf36c31ce53d89edf63bd",
    "signature": "0xf63f820787e71b6fc593a27df773f26a954ed68ca1ee4eae5419573064d65539199aacb03d2c175329ab7f13bf6155965665922a6f0130dea2c2cfeeda3bd98d1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}