{
  "manageEntity": {
    "action": "Repost",
    "entityId": "740899311",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x33573428683b324f7c666ce01b7831284dc68ad1568982126244f63df72119c0",
    "signature": "0x54a950adf710af53d5361bd655c55bc398c45b97ffb66d46ef42642cc8431e3f417d6eed40becd228092d98a3e71b5962056b5205fadd97a4432c4c0e480d0771b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}