{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1399659867",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9a853bee4c1ef089fb5523b11a0631daead1dbff1c31633024bcf29a84ed0425",
    "signature": "0x121f7331b1cd1cf44083a81f6b75252fa5eca5519d2cbac27e4aa4f7fe26578218d5fe53bf3f8c3cf7a1a0c2577062cf4f0e9892a50b20c76a71d1b9d2ba98951b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}