{
  "manageEntity": {
    "action": "Repost",
    "entityId": "375678",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2c931fa85174b3482792245a465feac86f2be3d3f457cceb590893b06063d5c8",
    "signature": "0x54687a2e0033a2789ffe8eca59eafe304e5a4c9be93162918912f0a808ddc2cc53e424244091ba68f2033d995e4926b8d4c8ca994573937e81604e60dbbe6c061b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}