{
  "manageEntity": {
    "action": "Repost",
    "entityId": "407351603",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x687676f4a8ae62a5b5706eea9f600c995913813f290969d800bf11f7617fc16d",
    "signature": "0x85866f4f797a59d2badf712a2986f38cc179ff5fff5f14dd6542915d93f8b8c71a4918eede70c2a2033e7a692a0cfc7b9daa76514578f4933e0aa6f5998e91cd1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}