{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1891121664",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4fca7ece8772b7e11972f1b0e2e38edddb40ecf9ae856ba423605fb89c51b729",
    "signature": "0x548d0478ed4afb1db1a9700badbded2681fc1b5a787dca62fbfba7b04496bed87c5c303f4193cbf8e2669d99931ef418d65efa7842111bd1f9bbb6095fd975db1c",
    "signer": "0x767f09338Ac6CE8645c0a76a17a560429b582132",
    "userId": "520958130"
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}