{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "715241773",
    "entityType": "User",
    "nonce": "0xc5e89a0bd70603efd775cc64d3cc6f82414b6898c42347810921b2286ca8da99",
    "signature": "0x7c18e2e2a5f1e04263c34c7c6c20ded67081d9e0c20d4febf715846256e43374433d28689023effce58cdd48dec5ec28d67a2d3c3abd9c3405bd7c1d3318fcd61c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}