{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1307126296",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x38e2855d9af5ef46701f01c6ce3a9e8c4a86679b35a3be9ee6dffaa29667b035",
    "signature": "0x037e3cde9f41211c4152108e8cf9b776a709276eb8604a143a440a94569dcd0c27edc7eabf70ba2bdc3a91de53ad2ab45319149f58e14dca5b4aca199152c4a01b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}