{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1643691633",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xea99570cd2fa06459438a97bf67bfbe3281e0c5161217140e3920fb38e2fd387",
    "signature": "0x4618b8a27d9482102bb1bb6fc545abc9062198e580684baf6c667412278c7bfa1a6ae2ee76b751ab821bc9448d614eb71792eae87bc7db5829592935cb749d5e1b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}