{
  "manageEntity": {
    "action": "Repost",
    "entityId": "558188",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xca2bdd315f07bff0efd4d7f7b4ece20fe41136ede8f6e8086442797773cf4d13",
    "signature": "0x343d0c5475e69e8dc00403b5725951c1269902c19f5ab7ef9860753791948bfa21fde2d0a5f63c59bef16d390f2678d17288e62bc4aae9e780858573f1cc81f71c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}