{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xc50a4fdb3dcf589bd0f44e072608abfeea40bc906d20c8674c6f956589ef8e30",
    "signature": "0x4f943191a0862809a7fe3eccb4f89b5b32aebd82f5c27d6bf7bc3090e7eeef673ce7c95aaff833ab282ba78f82738c290393e36a54238e2eacd476d766b57c9e1b",
    "signer": "0x9acF8CBE8f2B0d51e756C58D6d1f946A8757602F",
    "userId": "428941685"
  }
}