{
  "manageEntity": {
    "action": "Repost",
    "entityId": "399250805",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x60672c667b64a6a33a2e7734194a29c9f3e5b652b87f4421ab3dde702cf758fd",
    "signature": "0x2b073caa01f04f8d508100cb98e9a269d177c4cbc595dafbff9287bc73986c77004a2815d8538c2cb36b7afd4644ddacfda0a0e65b241d67782d1feff1035cce1b",
    "signer": "0x2D566E1DaC6fc148a694abe846B32e39B6584aa5",
    "userId": "890889753"
  }
}