{
  "manageEntity": {
    "action": "Repost",
    "entityId": "428400",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa025a86104e600e85f9fbf3b35de3493dd741f18179ee82be9a244c7999170b1",
    "signature": "0x58b38f058375986bc0e6509c094d8ba54c4df8ab1b8348414b690634cf7b168e7862bf67fe6bb672b5f216fa0e53f4d0baab31bbaff87ecbffb1c56c69c855fc1b",
    "signer": "0xE7D37531a757aEaf8B2c8037a79C03819edc20Dc",
    "userId": "870684573"
  }
}