{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0xf0a4af1ebd0798144d1bd5b05503cb98fcf032f9ee4ab123e5690bf1ededaed7",
    "signature": "0xf3f55791a9ec43577ceb32c576f0b81bca557f1d7552970ac03f72cf563f16be7e2badde3da59b36122d7e8de7e56760915893b1ff26589ac9f871ad99172c591c",
    "signer": "0x09Ed944A6653804DF5E864d5240c837F643E2c0F",
    "userId": "214509563"
  }
}