{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1253557738",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb9d1e8521e471afe30e8c1b5963571e82ea4b7ba3f148d873a845f3bcf72c409",
    "signature": "0xbf0b82123c48fc4ff8b4a8f07c10d1181c8bd0ae9d805488f4c3b1e4a1faf412084358833e9a658d89c7150413a1595882dbae8f895589801dea7adcaa80e23a1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}