{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1111145321",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc63050897c14b25ef0630c7670f0f8c1380751da314c6f1c91decdf5868868aa",
    "signature": "0x5678d64371b227402139c4aa19692947ce91693178a1b4d8792bbd128a09495d77d7bdd014fc591e410bcbdab9a3e07016baa2faa2a658892e7f15f0d48447691c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}