{
  "manageEntity": {
    "action": "Repost",
    "entityId": "138851321",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x603ec95f7519bf34a21bae08c03480d88a5aefafa057e3c0ce27d98f41785bd4",
    "signature": "0xb8738c54f41aef8155a0e17d05a3e008845e8cd56fc58efc122c5d22d4c0f70b1f5f8a8bb115e5bdd18c834c0e50f926bdec8927a6410cb3bf65f716e0bedd991c",
    "signer": "0x28945B345Dc8334c21B4e932dA506ca6Fac7e18a",
    "userId": "290283513"
  }
}