{
  "manageEntity": {
    "action": "Repost",
    "entityId": "510848",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3edc788da6863022a581a7358add4abb31cc16e50bd01a029d49373d8027632a",
    "signature": "0x8da2bf5001e8c3a2816934fac6399082e788f066e6ca6f567d568deb332b8f55420b876071654fa23885a9e6475e557465f929c0092adabff95a1d13d338ff371b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}