{
  "manageEntity": {
    "action": "Repost",
    "entityId": "199670004",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x537d355ed4f545bccd1a4c14af6e3f787b405507ec0e55181481098d45223228",
    "signature": "0xb33afce4a046bfa2c5e023b52318155402979e18b53e3495831e6b1d86557b217b940945e499eeff4855ee8f09c135074734acf6a35c45f9d367c3083db61a721c",
    "signer": "0x669C207e15A757a751fd8f623DFf054C6D3D0b05",
    "userId": "121458"
  }
}