{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97654",
    "entityType": "User",
    "nonce": "0xa4a9be7ff7d19c08567c6ccec37e8cab1993f9163893f94ac1600803c5636af5",
    "signature": "0xb51050512aa96ef5ee4997c5e6fd9ba959ff87f141bc19dbedfccfb86fd1e80f3acbdd0d61bedd62b3400a6abc89345d25dd513b27ac7672e97d0e405284c6e71b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}