{
  "manageEntity": {
    "action": "Repost",
    "entityId": "509434779",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8c244da113e71ec9c9b10f0053dfb473f76cc21e68a6f86bdba7cfa0214ad260",
    "signature": "0x89bb5a18057721c10f634cc5fac4089e45a5a3451379c48f1ee3edb659769e6f2c109a0160052450b95ef33b7e097c08d5dbc5c34c94eac0e41b92c8d9e50df61c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}