{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "32723401",
    "entityType": "User",
    "nonce": "0x693321de177cc9993ac10133dcb1184f4f2c83413c46f406364b96d8188730a4",
    "signature": "0x91bc3a0be2a3cdbec2178aaec414bc485e2231eb5bdc903a69219c5f36c5ccf664ab2284b1a7472dec1aee1ddf303ab70c910358028e4f0c10cb0ea4721845aa1b",
    "signer": "0x3776E1D82Ebf03656FA9D03C18fd5B58D7Ddd337",
    "userId": "83331354"
  }
}