{
  "manageEntity": {
    "action": "Repost",
    "entityId": "393489239",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1b334ac254d8cdf8b9a15845983b5372f1895ccd3499d9a682ce4fa5fb37096d",
    "signature": "0x58cf6b06054b57d7ee0ffe474e2e3ab9eb0b78236a339cb573a0559518f2105272ed3c2aac62ac7ebf14a92c6f9757f7725268d183162c0ca143bf5fe259e40e1b",
    "signer": "0xAA981726F7939BF5eaAbfa9a58D0C454f5cB535D",
    "userId": "398277387"
  }
}