{
  "manageEntity": {
    "action": "Repost",
    "entityId": "439389728",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd211a400a08adc7f7edae8eb659985eae1f9fbddfd23d805e83d1e6ff7eb17e1",
    "signature": "0xdd8a0341f40e4404b4b9ac5c35ac65b4f24af04dc0177d3e2998278923e0f3e1682857455a29efc20299cc689fab47c21ce0dd2bb8f9651f00d97b4f2182873d1b",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}