{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1383871408",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x463c8264e6865ad03c7834c0ec45dcd85b837f09554de5133f72c8d5cda84ed3",
    "signature": "0xf485ab6be82605a9b358f17457189f63051e590c5330bbacfb4a6d87938e4ba43163f6ca3b1c1cf29b55d6b0ef864b2129c489ca8d49e28be0d819dd40ca50591b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}