{
  "manageEntity": {
    "action": "Repost",
    "entityId": "491500313",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb1ff9896ffe9451fc82490e79a2e045623d139e09b1ceb72b207f465cdbf4397",
    "signature": "0x6814aa88cdc7b4f58e874fe68644e8efece8e0cdb45cd2e04d12c740bd03239e0ad8d6798d9daf00159ec7a355812c77e5678ee45b665191f9977166430fb3441c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}