{
  "manageEntity": {
    "action": "Repost",
    "entityId": "515561413",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdbd3635826428601b2403ee7d2034a5906bb36d7d613a5983696d76390dd3f49",
    "signature": "0xafdcee4bd29d3d7995e1ff0532fbb8ce5573de422723c36a3621a1a6421cffdb2444c85c643028836e5879cb81126ec1195b417e778fefedd7f2c0ab935503e81c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}