{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "211024156",
    "entityType": "User",
    "nonce": "0xc6bde903df8e2f73e718a238cb188fdd82a96d86d3d7e53472b320deed630d5d",
    "signature": "0xac851f931f5e4043b14511760e675b5a1a63c0b25666d2df9bb4658fcaf5cf1b3cee9b4bb7270c7b40ec8e2e3fee1e9fd1daac624bdb130d430bae3515ed69471b",
    "signer": "0x9149C438b2FBf68d0e846EEfE2E6B19be686Af42",
    "userId": "843"
  }
}