{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "78483",
    "entityType": "User",
    "nonce": "0x90fced8c1889caee26d8d0313c229dc575d20884adecbede8ee982980614e21e",
    "signature": "0x7d29c54164149f03f44a21446776e1edc07ebef7b01754645bcadd5061866f6e3a8e3334c51ee6cc6bc9db2bfb313c4357f1d614ea44f1a01fe5e2189591f7331b",
    "signer": "0xF08935327AeC6306C8d0eb92999567e5496848C9",
    "userId": "989073793"
  }
}