{
  "manageEntity": {
    "action": "Repost",
    "entityId": "337358762",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x60751dd532d1da2698b6aee34e94b00fbd43c9eecb24627d32d5197a281d500c",
    "signature": "0x1ddab534c86b376b9daa2f790a9b030a69771b1995c96a73692a70e3f255742a47e53b38076d10aa073a557cfba7e2fc271abfd6e9acb0f546f258120b76ce121b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}