{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x5ea7cfbd814eec9d345d141d5736e6b06ba60b5c7245d09175a7ae73ad180adf",
    "signature": "0x0c05f0a4d9de5a188fd2cc2cf316bdceebd181cebea2f57e8d069c7a580837752086c9063f71d741a7e182d7bac491237fad79ee7c934902ee626ea23187c90b1b",
    "signer": "0x2fbC1fF5a73141F2B07c5162F632686D6d0105Ff",
    "userId": "692310750"
  }
}