{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6dfe67addb160bc9c9addaf5c6b5da05a166847920b79db39c0872ad88525076",
    "signature": "0xbbc423958d052cc8a9b92b219842c168f5df0e29edfd24ab11df7ac712507dca0b0095b2486a69068f3fc61f37a17174706c2de17aad166078eaa267b40953181b",
    "signer": "0x962aEc41309826e7e7b27350abF51d62E19e0ee3",
    "userId": "88157628"
  }
}