{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664723",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa8c6815c7783d12240048150c84913b07e7e0ddb261645c3bd7fa2714df79e03",
    "signature": "0xd4bd40631bfdf60a538e67ab1ca9922e2f5a7ba3aec41c3a7ace15386fb267d438caf1d95a0643c8148c8bb10cde1d80d6ca44efa660ef7b835bda98208d1cc41c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}