{
  "manageEntity": {
    "action": "Repost",
    "entityId": "21738",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x27878b5c8c752144b203c46d4271921fbf496fdec248cdd1629bc481ae0773a2",
    "signature": "0x247c9d5e272a9dd01ae1885dc56f5b1c81a545a0e936408a50e567d91d3be9671438928bd6caf3794d3e9e69ca6fe78a623fb6c4df3f3da6f644460b7c2f93221c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}