{
  "manageEntity": {
    "action": "Repost",
    "entityId": "573563",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xaa728ab7ba11a6cc123090e7c8fd1b600482e26b2e22822d72edcc6bd298ba02",
    "signature": "0x1f41f3f96b2cd97b1bc477f35549779a89efa400bf187b816d68ce2e664335512c6fa7c8f7b82354ef177dcaba6c3ccd3e6e7146da2a28f4f83c8e3486de033b1b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}