{
  "manageEntity": {
    "action": "Repost",
    "entityId": "666461773",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xec66a554c8dbf7bb48abf482ce505a492f7e5d1f5cc71a28b6df664ecc53f837",
    "signature": "0x3555ddfcaca3d6cd9f158634806ce5709ac2dd52c80cc4d21596b169d4200a1b6e26360edaa1439c741eba3202020c24d7367509c9f19b84d7c0e8e35e9b1e371b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}