{
  "manageEntity": {
    "action": "Repost",
    "entityId": "512853",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4316e30adda0decfe5bcbe56ef4a7564ae08d42f8a82381ac078786503eabd6f",
    "signature": "0x3b4c8b7bb7316bca115322ceafd8e2b91d203780e6918b61470e0604b36a6cf005381b118c134713ae49d47661e4bc36eec643b61bebb506d094a412aaf038681b",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}