{
  "manageEntity": {
    "action": "Repost",
    "entityId": "921515202",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb29939c8cbc089383ed4682525469a753627ed29e523fba3be282daf2fa6ff0f",
    "signature": "0xd3487e5df8c830483b6061dcbe3560e9b1fda296bc0e1a8cd4af1c532f2976ba0bdf5f25286c6fb4cda5d04af079c026ccae3875a7b15cf93c55a2a10024ccca1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}