{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "76019",
    "entityType": "User",
    "nonce": "0xbe3e3f7d4a8a54175cc4c1b8188ab94c59618fa278f644488f0bd772a723c382",
    "signature": "0x1db01b8e359c284622e7ca797fa3383ff7a8533723994dc14d3627082749542037ecbea14f9e87ae6276dbb412d31e9bd2a2a27b6520f0f83f5473ba386ee88a1b",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}