{
  "manageEntity": {
    "action": "Repost",
    "entityId": "544488",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x894b125531ed11e424d7d6afa4035bd4ebcc264d019fcf41c3933a40e789fab7",
    "signature": "0x2a3c2f42d4b4e0c1f5ffc1bd3b04a8068bf2dd2c1d9f1ee65fbcd17975a3d1b6231ae5384f9cc260de2f187fc6392db47d44e588547388a8de941a445e356de61c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}