{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1542816262",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa1923bb1f5b86f76510327c496159a7be8c7f80ec49e34175c2f4a6100c8bf3e",
    "signature": "0xb9f2c6036922d5c4540592f6d6db887dcdea25387623cfe56d80ae8f6368c27e53680deeb780735f81b78f73240bc06aef502397f03065ec134ebf0d989004b11c",
    "signer": "0xd9bA17330fFb3Ea1356C5eC14971D9e1f2cb5200",
    "userId": "337125448"
  }
}