{
  "manageEntity": {
    "action": "Repost",
    "entityId": "42222",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x167a13f3186cb7039466281e123c6d795f090a3592da9e05c3cd879e66f3311e",
    "signature": "0x3f15c91632b749f2de9e5e50b8a3874408d32031a98ff1fc94cc1432e36d685128ed902a2d3c4447f2ab1814e2259e0d4f8231f5c5fd83a2633e80efb69350b21b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}