{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89183",
    "entityType": "User",
    "nonce": "0x35de9a380b55b8de87d19c20f2a6208182687e181c90b02c93217d737d7cb586",
    "signature": "0x5fbf870067c576941e6d336590e3eb840ad9f97c5a74c272e74e53ca11f765fe25be05e9e58de395aaefefb0a1e3836159fa520e1641503323325aa304585f1f1c",
    "signer": "0x12fad93DE1Cd70721D562298f2cF5A522082d22D",
    "userId": "41465"
  }
}