{
  "manageEntity": {
    "action": "Repost",
    "entityId": "990921",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7414d64f168a9cb928f857a17d2eb4a074a25620ff1e3210c2340e1aec1de084",
    "signature": "0x5dbecaba230e8dc7ed8bc829a39bc16eea386e49977cbe892465b50e54a427686b2d97438ddc07f161a4ab39750da0ff18edd3771069d0ef21afaa98baf6fd611b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}