{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44119",
    "entityType": "User",
    "nonce": "0x6886a3324479e4bb6d104328ee65c26420d3976b990452377a10ddd19be4f227",
    "signature": "0x25401b421af915e133cd82b6de55d719228f3eba49ab8e11ff0f1467eea234f0143c5b7c966dae5c8830b454fb242a7d92658515dfa0d1304f3995a4509d73271b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}