{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "148293",
    "entityType": "User",
    "nonce": "0xe07952ac4f9ebf9e2a9379bc556a83a81f8375e083ee5a2344e4ae62b0f48183",
    "signature": "0x076733c52dbca4b9fa4afe8d962666d9ec0ca94aa726131e9f0fb814e62a35416073faef5b40d1c7dc4a5ec0595319aa79bdffb9b18c6a13fa5aeacfc4ce44b71b",
    "signer": "0xaAB075f1D622286f16eAf63179aa4157DafB1cDf",
    "userId": "850627398"
  }
}