{
  "manageEntity": {
    "action": "Repost",
    "entityId": "542396939",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa3898e512ddad035f06a57d3aa63e435f74669aba5b1a7c2311c51854058269b",
    "signature": "0x59c8cb6f5773e50cfb497e5af1868420595d1f131e3a1fa39bf729cbaccfa16b651096a38e6801597010cace84649f4e33c35ced6ac8732e123c5b5b45283fc91b",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}