{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "280558715",
    "entityType": "User",
    "nonce": "0x35ffa26faae88e03896ecb8c80531bcd043bad30437f3b938683229d3916fbe9",
    "signature": "0x95fa7505974031f7c92d459c927af751516242cb5e370820cd1019fb45e1bd7e0f2c511b0bae1c69d67b04a588db8453210e94ba6f40444449628b9d4276878b1b",
    "signer": "0xc88bd025b5DC52Cde584b07899B6E5C854Af4bC0",
    "userId": "781543844"
  }
}