{
  "manageEntity": {
    "action": "Repost",
    "entityId": "448603",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2dda349c98e3d3ce744817f2a63a1e8368d598e0baf69d740dfa17c4ff881440",
    "signature": "0x11e5e115cebeb876cd0c9fb4076dd8a867671cc4b679f3f211bfd1dd759b19da63e967bbe766d56c0b9d33ca31b7d18797e965cd1d0ea82a80bc7bb673ab73d21c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}