{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x9bcb509a2899b3df2ac9a7ac5da861845d248100b3521e0a83b547700c2e5078",
    "signature": "0xbd69aa5f313b362ec6e017e4734943a510bf6210441afe72667fcf8be8709e4a07e9c023cea5cd672f707648a13deee316f9b1fcc9f49330d7adba07128dc9461b",
    "signer": "0x31fdBb0E5a7aAAe160b470d8DC722F86D8fDA857",
    "userId": "458302619"
  }
}