{
  "manageEntity": {
    "action": "Repost",
    "entityId": "643215143",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5c85bad9faabc55b12e12133194fb925c57cab20b67d8cdf7988d3cc7cd61d04",
    "signature": "0x315134b10f3133a0912c992d5e96fef40a78c6875f0f74139ab00a62a1cd6c657eaed72dd8e2edf3f4f99fcb9b44448534bcd50af3b9b06bdb9abaad99f6f2ed1b",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}