{
  "manageEntity": {
    "action": "Repost",
    "entityId": "775601",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4ffb11981ed5928c22edaea970c84ad0c16c8580091995515694d6bede566ea0",
    "signature": "0xa45be0f249915ff4a3d4421fce6a02211880cfd1bef72216e85c41d3b4e71e303da12462fe045826b3b0a32123d7d9b1c8d4bbaf43fdec13f63a30bd32c4d6221b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}