{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1539115212",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf63dff9b317fa327ca5ce0bffd19b02a0129b5872403a08e7fc144c4e0cce4d5",
    "signature": "0xdc7412c595a7e1c259937490b9dcfc755e04db1b354023546e2108a19385242d03247e9fc62d102740c00202970f3ab2a45432314c3ed059b26d0744f71f7bc81b",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}