{
  "manageEntity": {
    "action": "Repost",
    "entityId": "816842968",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3d85f03724dde74d417964feb7dc50097fcc4e7dcc6bba2389af90787ee2773d",
    "signature": "0x85ca7fa13584891abc45ba3a927ad031dc182f3d34a7818d9950a1d8b7fbf50a0034fba3d141aaf4a6c573641bec26e241dc04d65773415e5014855878439c781b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}