{
  "manageEntity": {
    "action": "Repost",
    "entityId": "778352400",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4ae90c4d05e512c6e06cd912053f6bab15488334d5e77382d7cae3ba0de0f0f3",
    "signature": "0x3d9fd3e74527bfcfa90f857a828b68a97cfbc4b942e99d0c9f28bc1526ae23f873f4cbccf74af58bf1c75d750fceb4847368ac95df509bd3510f5e2593f39afc1c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}