{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1521967269",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa7a2b1135c880ddc025dda383f1882fee68c1c195dac13aa7b102bff2da67418",
    "signature": "0x519c4ff393199c8896b39bed82f1a48cfbd421a4a1c82fabae3c2050ad2d352a7731e8c40654a8eab872349b955f1937c22cb4672890174da521ec764b52b32f1c",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}