{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5307724",
    "entityType": "User",
    "nonce": "0x0c2e78628f0b979678391ec3ed3f01cc95150af01aec9da8efd208034aef9b67",
    "signature": "0xb3c7ae64883423f2b6e81aadc6a90fc2b326cd8e043827d6e1bd2ec34804bceb34a8116d16ce23a147f74e2646a6477984c5365ddb071ebb3d693c328a0bb6cb1b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}