{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1500215205",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb1d1b839ec705a734322f2e8fac1f03da8f94fa75c1c8d95eb052ad8c4381b6c",
    "signature": "0x44512e9a6651f766e965b2cc82ccf4daee061889420a684f39e63cd14587cd7166cb3d5e10e07310d40d14a392e88f837bcb897ada40af127acc6a9a27cb68131c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}