{
  "manageEntity": {
    "action": "Repost",
    "entityId": "439838",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x13a47fcba189f66a3f9252678971e05037a2aeb1038b3a08ca9ada6a12f3396c",
    "signature": "0x949a2313cb0425896dc2905c585eb397805a224383cdd05652e4920be94bfbd02722ce503b628f1c58cc0e1a1fb5f275d25f67e541da59de2483c7fb104907371c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}