{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1557085700",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x89fcabd531a5fadaf9ee696651f60c69f77b12821ad2338948fac654ff5445a1",
    "signature": "0x6275b769d398646419e0818881d8c4c3eec55638376333682b3d031e0c5a56d511e65ed65184705558ef768018199fc37ef2e3d9385c4a48cee99735815fec501c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}