{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "42492",
    "entityType": "User",
    "nonce": "0x2040d9a6d8ae7f30c050d48d69cd85754138565438b2643ef9fd6f27a706306c",
    "signature": "0x31894d9df85dc8431127795fc5d6f103a7d448e5f6b2fc1b84d1ea026e912fd75bbfd8f4a11c529e144cde3e509b3bb1ae5098965c379a41f002c9e3bc1d37fb1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}