{
  "manageEntity": {
    "action": "Repost",
    "entityId": "489516877",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x5734d560fd792fcf9ab4aa30639875876576a89f8acceb1b3a0b5041c5aab5dd",
    "signature": "0x284967e6da003ce65c23c7d76fdd9853103811cdddb1129bd141b01cba9bdc9f7f9b773548daa92179f1a4ded618a66168674eb04720e4c88bf09ec046c1f0931c",
    "signer": "0x8d9D00A94c3B1C9992e3CA4386AbBC6345B2E876",
    "userId": "396658415"
  }
}