{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "141505",
    "entityType": "User",
    "nonce": "0x87984f8506da14490b793e263d164aa06d57710bf268315bb49f60b2e362271e",
    "signature": "0x1bacb4f706beee6fd209785f9350efd5ce44832c016fd16d1c99af9c6ee62e924dcdca09b6b3238d6290761a2bfd593ff1a27a904cbd8ed8d15bbfb64a1beba41c",
    "signer": "0x91A0243d0c4b44cB682cB60883cB72C26a8Eda55",
    "userId": "298293683"
  }
}