{
  "manageEntity": {
    "action": "Repost",
    "entityId": "428373",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4d6832ca1e900a38cf85e08a0e84be96edbf94104c6a5c9fd22ceab9ff81dffa",
    "signature": "0x2f3a31781a72f6064e37feeb75ad75a4f45f54055cb6d6195e67e39b330097272b030048e10816f72e944f0481db228568c8ea594bc87c268fb9bdfe2cdc95ea1b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}