{
  "manageEntity": {
    "action": "Repost",
    "entityId": "738246",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1660d02fa78ce140466ad4ec686924f4aae40fc1304689ddc621d95cbfb01e0c",
    "signature": "0x58b0d6c699272a18ed5ebab32994a296e6570d79a980c1db6d4515afd08fcf550cbd54ee77dcd0fa2c71922bb04f51de9ae148b2d0d20fb8b74d6562266f8dd71b",
    "signer": "0x767f09338Ac6CE8645c0a76a17a560429b582132",
    "userId": "520958130"
  }
}