{
  "manageEntity": {
    "action": "Repost",
    "entityId": "453409",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4b3db7e7b8fccd24af4962004f9350e9492f9a6b59ad943a4f5befc9b6e94e7e",
    "signature": "0x5308d4dafce56ea54bef2b20bfa7b51d269fd5e62f0eb467fac66663d307b2027a8950e53d766bab2aa74d8a195ceebdc2e9bebd82d110c41c3bb408ddf083ff1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}