{
  "manageEntity": {
    "action": "Repost",
    "entityId": "729622",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x57e15fba85a4fe7d942246e63ab4ee2786420c6bf8c353c79edfa2ef6ee430b8",
    "signature": "0xb744e580b51924f06373b31df6aee35a5f072c8a048bdd50d22817f2508393d37a10bcf1ad005d20391b8ac135e835c177e93a0f1c5b3df00131fb2c01b2aac11c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}