{
  "manageEntity": {
    "action": "Repost",
    "entityId": "820443877",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3dfd9ab4123af0ec0e55f0c242037d9c2b45df759a5b7cf7f8c2e3dd5ed1d3d8",
    "signature": "0x3744a46b163ed108a8fbb36356e8ff6d7ff47676670f661ce88519beca2018653ce19367cf42aa5cb2001f995aa793523ddd43f2e8d8a27f82afc2c054f24e541b",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}