{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x88f593128af26c7eebc524c304313173140a708adf9906f9afd07f5343ea0d7e",
    "signature": "0xa836350a5882cd46ed2997f792f63edd66c84f3299601a2a445bd3ec9d27f40a017add28ae3854ad611eb75cf0e0f11dc1e723af4510751d210750d8ed7761181c",
    "signer": "0xb15d7053c985Edf1d74fFc9893ab67Fdc2B33090",
    "userId": "211545300"
  }
}