{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54362",
    "entityType": "User",
    "nonce": "0x2c08415355639e8146555e4c9804dacac946c22f7bb9130667d18a9a8ec2e018",
    "signature": "0xf3c78c4fc03d80698561c37762aff4b61c05fc3e3a40aba5412e90ce12bf869336bcae7790bf768f4dcc5ce42840a45201f00bda85e0e701df15013bb4286bcc1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}