{
  "manageEntity": {
    "action": "Repost",
    "entityId": "476830144",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8e1514977fd25a57c242b349fa8e50367f3af2c8af219691f001f54f08b04a49",
    "signature": "0xaa733d5c023af118d6ec62a37e8396925c788c42eff3a7146952952caf7168582569a20f786982670cd466f70c9090b445e4189d331b5a3852a45d7a330911a11b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}