{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8a138499d3408f679425b3910c94feeae0453a925bddcca2ab3b7a47bfaa37ce",
    "signature": "0xec6824ffafd9f82b6eed896484edb0e7a765bbd07b14891702e64365d8e296da26f8952ee053745b661bb42115ac9b9b9200038953e6390beedb484c9813bf931c",
    "signer": "0xF82e9184Fb66B799141876757c20d70eFBbF80e5",
    "userId": "960825099"
  }
}