{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1990494978",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1bac4aa64d9b3e03a1e62b15b31f26574bb2f305f699d5eba3d2c44812b3361b",
    "signature": "0xcd276a51c914bd053d2a48502b5fc9dcc67df7747ecafefcece01eda331b0d4b420a50d862886478408dd0191e4fed94415540419f881bdcc84af323014507031c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}