{
  "manageEntity": {
    "action": "Repost",
    "entityId": "976470060",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb4fc7f7cc47a1ca239990f8eb9b83f60c179d8f43b362f5fc2a6044f47d28167",
    "signature": "0x587a19dc924912d70adcc13d2682f5a1e4abe1f6fc12b026a12e05684d8af16a3034f82a5b3684972ed3f8483a58eb773cc79c392147d301d0bf7df73abd778e1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}