{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5479",
    "entityType": "User",
    "nonce": "0xe6aff7e24b326b3f697ee409b310ab80553260955354b159039c8a94fc3fc1a7",
    "signature": "0xfb2ce29b51c17c44db09baeec39abb8a12776f78b0e34dba53aedd18f345658265dd27a7563d3b48455087b6c3865beacb54ef6358d80b8815014bbc818623cc1b",
    "signer": "0x1495E84D34bBAa11b7435Cd8b0f64d9335C6d4ae",
    "userId": "551829342"
  }
}