{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8a4b026e362f8eead616011fb65bf0829cde1085a97e1408a4c72260622edc73",
    "signature": "0x9fd92e799fa72d11b6505bce7e33343e31f6295186def75f9326091dc066b0761e6500506c65007461ba0d48f1ad8464b4f16c8232f7d6e73d64a62de5e0af4a1c",
    "signer": "0x236d199d008555d25195528F5148cD5d2902150C",
    "userId": "982896593"
  }
}