{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18336",
    "entityType": "User",
    "nonce": "0x8a98873557be1f18dd1537468fe83f5ba8067a4ee6051959948af2e47b4f183f",
    "signature": "0x3b380a90b7581b075b9542a630d797db5e09b045acc89c7b498580df74ec2f697366f7b135b56d5ff843d3b543d095e560c1bd0107214d7717bfe9d4a0a093ef1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}