{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "188933",
    "entityType": "User",
    "nonce": "0xc068a2e5a0903715d9df178c31e2bf042e6ea8d0de07e97a431c8dcd03a2016f",
    "signature": "0x6186769cee4b0bfddf9a2fa4b2e0bd96b554b2ee17745e0603313a892c2e7d3f7d900d3686de349805759799b79180b039a56a239ae8fac9326ebecac500c2d81b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}