{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1199702221",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa443791275f28bffb17b3cf8dc6cfe506796d500feb3d57be3cab5eb9b7d131a",
    "signature": "0x11790c158d9b04a0d6a2ad8d8abcd180a57abfa9f0608f01c20dd61aa8040fe14375ac759e62c9845bd4ea88c5bc4fc59211b6b01d4c29595fd72a74f82de2f81c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}