{
  "manageEntity": {
    "action": "Repost",
    "entityId": "639755",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbd4d0c2e82ca722de3141ce803b6106604e83db8ec44beef43b9e48a76f4c03d",
    "signature": "0xa0faa7e4e0f123a6814a5224f26dca54043fd67f92c94e1ab04d33ee106a9c89406aaf8d17cfffa21bed8db2c7012b9fdda47ad63e055d275f6f7c6ef9a4c1171c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}