{
  "manageEntity": {
    "action": "Repost",
    "entityId": "545217346",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4a1b4de5c3646569abbd75a5633c0fd7828506d29735ad2fe853678c7aa54ad7",
    "signature": "0xccb6bf9a4207daca9c959be5c90500fa66431afcaa341c83d4873d207bda09174c172be092535f9597ba237c75a3d0aef23e9f7a8835aba6aa57ceeb2410b68a1c",
    "signer": "0xcdc1772589e70ee6667FAaC93E3F0CcD5BFDa2aE",
    "userId": "354908"
  }
}