{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68326",
    "entityType": "User",
    "nonce": "0x6cb5609c294fc273ffef6bb5919501cc61e082fcdd94de27b316359c603f12b6",
    "signature": "0x64c80017f31b3d828e576ba3ebb13d33c6b68fb9395aa4446a92aeb66e53eaaa77c41cc643de73ca928809233c483ca0b65aace9ca59b87ff048d52a1ba580921b",
    "signer": "0x57Ad6E2E3fFc5ABe9b5FE7DC3bF7c07c8cCf9Ccf",
    "userId": "571702334"
  }
}