{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832058678",
    "entityType": "User",
    "nonce": "0x0331c6c3e77723bc84b645aad04289aa7f233d347db11a7a0f96443cda062b8e",
    "signature": "0x929138b16dc9a7edddf8aa6bae05a242dbd2765b1f3072a33e9498cb80b2f04e361a1a0836cfc33eed27fb1fe7088940cd5564eb9ad860e829c4d29989bc22851b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}