{
  "manageEntity": {
    "action": "Repost",
    "entityId": "778352400",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd9c9d288b78d5d0b4cab56a0cf37c3e656ea20df6265a2fe6ea44f200bdfbcee",
    "signature": "0xb024cdf602dc092c2a2c522bd0cf4e416270d08abab8361bda3965c13cf8555c672eb4e5418989adcd2d25d0eca45b7e76c3471c23c0ac0e598e48a720a34a181c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}