{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1301576389",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc8268d6995bc17dc74e02a7c9f56a60100374d2c25e7331da39c68c9e3e0454e",
    "signature": "0xac9cf63732fac07d1fc560ec3e3bc399db6169a4b7a90dbdbd79e6870b149b447c5b7a31ff9c4bb63cb7a7cb287c98b763cce195da27db77168945b5466207e91b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}