{
  "manageEntity": {
    "action": "Repost",
    "entityId": "644103",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7841eba2e0791da5ab7e0e99e526737b42840f207aaf42a2e7541d2b30928edf",
    "signature": "0x7c6bec0782d920f5205e091dd3a48ce66c9fd4be80fef2abae8fbf8a588782a479478cd438a7b9e31b34d41ddd784f5d271252cfd8748c85e576b0b60fc7e7f71c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}