{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137076",
    "entityType": "User",
    "nonce": "0xa86c1cc27427c32cf13367a9248d3a7b7f4393af3b856c741b650f2bafc33200",
    "signature": "0x1c1aa5723d5a2c99b6169d0a4c6fd921f6f365b728d1909d0b37a1e43dbea9b8185cdc9aafcebaae768703162ebc9108624eb374b642295268c6142760dee3d11b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}