{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1921871504",
    "entityType": "Track",
    "nonce": "1785973380798014991",
    "signature": "0xb847e22182df2d41325205f01d1b9cfa22292b398bb29b72ee80f48682f3b0e133b8af7df775d35ccb54087b6276f6f8b50ace66f80b0bbc6b020394eb6a89b01c",
    "signer": "0xd30fAF377491796757Ef4C1B0ccA8a407920e663",
    "userId": "451691735"
  }
}