{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "235383",
    "entityType": "User",
    "nonce": "0x8533fc02c6589f8a1d7fd9931cb2627f2e09a06527840ee819f7aca720ef9e0b",
    "signature": "0x95be89d8d88987dd69db5f4ea992a912b16b05d34a01dac565380f4ca267d1d27fa182138a8b570efba2eb0d072f2cb1df8cc946cb4db343faa402126589ae431c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}