{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40651",
    "entityType": "User",
    "nonce": "0x795c34a0a0404e08fb6759de3e24a9cd645f0f15ec13889901c06db6ff97dfbb",
    "signature": "0xe2f82ac05196058b5f2c9fc320442bc652347de6e238c27a35734602e3f85110208a08cc69960a35301c2a1d7e572320841a0b9df6acafd0e7d58e59419ed6ca1b",
    "signer": "0xC90e14007305577f04e5F4f5542B2191bB2c7394",
    "userId": "1856608"
  }
}