{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1621946961",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9ea913ffc8e40a258ba49016274f55cb896d1ee5c0029a02f9aae34896d835da",
    "signature": "0x420fadc1a2447584c22e7f2d4923ade32f81346f846b2fe31baa7257316f6bc06d582127d658a0c9bef0f7aeff053cfbf60f41041a107567ff74a8c23887b3001c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}