{
  "manageEntity": {
    "action": "Repost",
    "entityId": "438289",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x15d034b00a176738a837aa58bff4a8a003d5f7418dc5f400b0ab5d37207edd3f",
    "signature": "0x2fdde6669926bfd6c5329d675d06702a94f092c161f73a92dea4f9f7f25f760450e3ba9026038e733dc7c88605f9139d30e073e92e3e0b9de5cd09c98cc6e03e1c",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}