{
  "manageEntity": {
    "action": "Repost",
    "entityId": "728331",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8cae17e401888b13af53de3191a2b8ca16a552c69588cc34d214361a7fe6a20e",
    "signature": "0x3061867413f217649f0b2b01dd8baa34d4f7de5a268ab9dbd4644a9f2c87fe146544bd0570fd110ed5b7bdab38388fb5e469394dbc77db1ec05734e532074d041c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}