{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "94317",
    "entityType": "User",
    "nonce": "0xa6a8a69097be7c3fb9727b25303da66092d01e325cab3c5b4313a22055376778",
    "signature": "0xc375d2da7e629e35ea4d11cf0f9de7f262834a431a78140cc93118b70ffa58b57b82ddbe4a7a972a3388fc0caccbde2b320717f26124c1a739d85f34276d6a9c1b",
    "signer": "0x16BE3cc7Ee03C75AD10a94fb7234B045D351825c",
    "userId": "66529124"
  }
}