{
  "manageEntity": {
    "action": "Repost",
    "entityId": "504421",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe2258b328c890e498feb32f5c9ca33ac4fbdf34b47f6b442067f42a42bba4228",
    "signature": "0x558162a7bc2210775fc05361728c739615f9fc4d0126bddf14229bdc292936d122c3d1870e6ac8095dc438b88555fd34f3693b733638c74a27dd2cc22154f7b31c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}