{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827420993",
    "entityType": "User",
    "nonce": "0x1e1f75dea8011258828d7feeadd33263db786775f14b0916a08d5597f40dfcb8",
    "signature": "0x0ba90fbf5948b1be53fc6df957f5ce0abed28bb2b09f38fb54161e923ba84b6e22fd3aff37a832fe03ec13dd854a4089bc42fa1acd662abe1351b0f0f7617b4a1b",
    "signer": "0x887ff90b6e9a2F5c6Cf1E862028545C66FC95d72",
    "userId": "141224956"
  }
}