{
  "manageEntity": {
    "action": "Repost",
    "entityId": "703504027",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6563cd1421379a0452aa1c3eacddfb411c4ca499838678a702c5a1723fe8fd1a",
    "signature": "0x5156df2180833e0cfab4a348e579da02a81828c2d75a267febc13e5a6a8b0d3b38fe3d27d94583fd032881a9c8542671545c31dc6726c088ec91c8e0dc1d89b41c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}