{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1574594628",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4d276d1fc887b0ff4d8ef3fe1d6d1853f69a55632723e74225a10a0b890e20f0",
    "signature": "0x765f2fbfd45761ae41564a07607ae8e2b480efbcfc973873bd271deb710bdf576c49c79745ad3ce9072bb9fa49aab38cf016bfe8a53a947b6b8ca3fed0b50a021c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}