{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "360387",
    "entityType": "User",
    "nonce": "0xee63864326e7fec525d7240fe11c29fad29d7660f0add087e64a314eaaea7092",
    "signature": "0xf302d93ca890bed0dba2fc4bafa4e230f5726497fa5bb14fc2e3aa68ddb556752d5fd0bb1f09d091c2b67caab0b4bc76e593d9aa4632fe36c41329179457194a1b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}