{
  "manageEntity": {
    "action": "Repost",
    "entityId": "400888",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x734331b428ccda9b5bddb6f86a020da726b6be986e302a74f00710aaab38ab90",
    "signature": "0xd8cfca9b392ea21146d4e7db73409cebfd1e8fc0ede90aaba0d31525495ef8ad6c67b4fa9d9537994a567fa70c95062ec8b2c95365c12fe7ffd38c1e248237171b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}