{
  "manageEntity": {
    "action": "Repost",
    "entityId": "757755337",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfa2ca509ee0f1faf8dea43670f565eb3be85a513d5eedd4fa61369e32784a06b",
    "signature": "0xa36f0d4e396c98884ebb015f4ebbf41630cfdde95c24454553f1e048eb3a163e4b12046e860b508278f50fa9475febd738d06a966534dae051229c0b57e26f3a1b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}