{
  "manageEntity": {
    "action": "Repost",
    "entityId": "469878",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe689e55be610e7c2d0f03d97f99dd0db0fbe08acf34f344a81dfd0fa553755ad",
    "signature": "0x537e7d6a30ea7dd6c28043048cf5cfd6e63fd45813a5838800b259afd18beaec338759e4900b73edd697cf734e344b3c64dc0bc61cc0c506e75c40b78c74d7e31b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}