{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "683609933",
    "entityType": "User",
    "nonce": "0x9a2676eae263ca22816639fc46068efb6adb93ef7b174f0d8e8e3da2dcce54f1",
    "signature": "0xa9d3f9cce55cf2e562d7b30da4180829c369fca4587c5c774c0e25e371a8849a0d3cdcabcc8f175b76ac168486b3f83f87799288b8fe5ce4a6e60fbcb87cc9ec1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}