{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1578505537",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x448c1e4cea49754bff6b1b9b1e2fbc8eb5e88a004c9f2cb999d174b52583ecb8",
    "signature": "0x039fbd10f7d4f2ada59b1736bc0fc14ac3d8b7d412587304f30919e2e6f8922d3c18483fcc0ae4ac55a6ee83e088a8ce20781dd7a63788dac9e317dd146dc87a1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}