{
  "manageEntity": {
    "action": "Repost",
    "entityId": "463985716",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5131eaee058af095c63b5fcbec2a0426c0b6c0c1612d0d5b6404a9cbce44b436",
    "signature": "0xb4d81485f61e61466945bd873135169adc8ccc401a447c63db00d660b6651a982fad074c002a7837670ff2175e5de86cf15e66220f70982e97c9db8561166cc51b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}