{
  "manageEntity": {
    "action": "Repost",
    "entityId": "573477424",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5cf68f7fc8c311bf5472e41fd1e9396d4e79ca7c742017600c0ba8e64375f933",
    "signature": "0x42ff54474aa8b8155f9ec15bcdd623167165c638f55687e0b40d5e12b26440ff687eb72496730cdd65914d2c179e6efbfef501c1b30a5e10fbef1ea295fc36fe1c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}