{
  "manageEntity": {
    "action": "Repost",
    "entityId": "604386719",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x64872f84691cddb6de8e8805b25e1ee13f99c5f169d6804ed5e03a6933aead74",
    "signature": "0xd42b5a4f1b97c87cf95d8a524ba139713832d55d5953d9c00aa90e417e580f4874d25324a899bd5907c7e979239ff939afca580449ed4bc07be009c6e37fabbc1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}