{
  "manageEntity": {
    "action": "Repost",
    "entityId": "43401643",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7f4393ec0a931c90142a1b28618f1d275fc5834c5fbe6a42d42abdc5a6ba9086",
    "signature": "0xe621923dbd804b6c1d5aeaeadf21efc6d34771277a9ccb90b6828ef39e84e6dd67ed56e7966b6338795717a4af4c6d794a86edf66a5cdd68f3e10f9a27dc676f1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}