{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1621969048",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8ab7b2eec5bf5690c3bfbd2379c9f703ac58d6801033dfcaecaacc072e96f982",
    "signature": "0x08e38dcf052b3a534ffd721c75e87d4d7f0b835ba2c05211830c3a03e303bb627944968704282dc3ba88c3fdbc0358196d12ffeae204b222c71b3d39ca02346e1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}