{
  "manageEntity": {
    "action": "Repost",
    "entityId": "515391143",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe879f9590597de54465e09d0c4530052bd0267f5a43a480dfd9cfd1ac62cf0fe",
    "signature": "0xe2cfb169e272ad7145a276a4d15f43198eb51d039fa749b8cfbe60081c48d9943191158af95bb1b571485b9ba35c2f191049415350d5451a74b2c9bd5742f2e11c",
    "signer": "0x14d7618B82Da4e7176FDe32e4379943eCd69798D",
    "userId": "238125623"
  }
}