{
  "manageEntity": {
    "action": "Repost",
    "entityId": "306676",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4234fe3d6a7acb43d40b8fad8a5ad458501b725f9c609ce603f47a407f7b0cc3",
    "signature": "0xe317c1560ae49081ec25fa602a88b4d59cc439391a5a3e34751d6a56281b33cb0bccb601dbf8f2b6d4638d7a2996a2ced458e4bb349ff438dfb44a805d7602b41c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}