{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "930634116",
    "entityType": "User",
    "nonce": "0x518b9bc9d0f2383cebcde91e4e17bb60d497024f3e197f8ca815ef46b25e9c3b",
    "signature": "0x987378bb8fe1a3dbad2000a438bee2a77c380e6c002c61a5f46a8e985d33640d24e9598fd391f2c2d19791f281d28cd2182ee6c6a7cc81890b93ca0b0dec5bec1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}