{
  "manageEntity": {
    "action": "Repost",
    "entityId": "907856669",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x030557314765453702fdd15b7e06fe202a55bff91ea3d7f8bcc4c081534ddd5b",
    "signature": "0x04ca41b4f07eaf3eb95bbdc99b60e25de177935f577c9eadf2b57a37914fc1b840a9420e420486646e023fbc55779015e3ec7aa2ad678102d69579dcfe02fc7b1b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}