{
  "manageEntity": {
    "action": "Repost",
    "entityId": "619660917",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x400767aeccdf866e20e9c3457d1e5e05f428ffff8d6b1b81b2cfc5eef5003bae",
    "signature": "0x076a9201e7474478103a6c71aa8fadb94c590737b7c5a70e78e618bc38787f0a396542b68a93d75c1cedbe348a28d720696d00e41d9666c9cacbf1f3eb00fc211b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}