{
  "manageEntity": {
    "action": "Repost",
    "entityId": "258483",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7810074f76228b01a53734ce96e68afb9240f4f08d053a60d3995dfbfd457273",
    "signature": "0x8280fd824251d63014f207e0fb03c4afd6758b1282109106a5354a4224d6fc117c62e8c8fbf4d6938d17f355ac08200ccf0f6e6d45d34fbecedf7abe25cd03a31c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}