{
  "manageEntity": {
    "action": "Repost",
    "entityId": "744459",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb5f77cba4e342754f067445e225d7a8b4c1b5b35a41a52acde6aa8b09ec2977f",
    "signature": "0x3bdd38df0b47097044da6a42026a772b22036470b69daa2e2412417450dbc3b839f86ad2a143c2174537039f1aa0503ccfe17c1c8e92652a20c1d20e6f2a05fc1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}