{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1037739",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7c5749883d75780bdb8f5b22b1929be852bd5d3879242faab7d1c9d6dd47e5c1",
    "signature": "0x9bb6ada06855296b70ebb687b616aaf7b667a2cec392f90ec3c9e7a533d603c2546fefa0342fba80feda2401ba7ee4955e6b0b9931e9e1e08b3cf055421111191b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}