{
  "manageEntity": {
    "action": "Repost",
    "entityId": "543507",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe9da223e0b030bad67a526d8c769a1469d6e9e1af5dd2f1e563bcc84cf18e5c9",
    "signature": "0x6afa3cb5bd5015977f2dc01cfb85b68f1c357dc51465399914e130d761fa0e250129ae476dc21ee7c08bc41ecac9f71cb82d6c1c1bc462f0b7289c2942ea4e501b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}