{
  "manageEntity": {
    "action": "Repost",
    "entityId": "428876",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbe2b8a3da99067ae8d5a3b83979b268c2d0623d2d7dd87014374979dcdde21f5",
    "signature": "0x0a67bdaffb31fa53508f171390de6edc704eeaa2100afa24bcf2a4d84d68f28f4bfdd5b3ee704bb434fd202f66b7677cb79339ce74c7e252d6663376a53b6cd21b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}