{
  "manageEntity": {
    "action": "Repost",
    "entityId": "878046760",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x34697fdb804f37bbf4ef3caf66cea02a364b21599db96d4b8a8556473f9e4cd3",
    "signature": "0xb367659e3baceb4017334882c7d6441f464ea0d183b14f54efc32f544db4868724237629e02739a9750d85d2179bd9757f13a2ac374144f597d952da1e2c65751c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}