{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664870119",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x98984cf10bbdb740f57de0d2d6a32111a71655232bd5e6aa0bf8f11abdc25a77",
    "signature": "0xbb9db05ab810ba80afaa7eacd65fef1ce0d6252418a8acb486b7f5019a553a2c54c56095d9f398f11749d5761561da3927d040b4e6b9331d673abdaf73c0a70f1b",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}