{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9ac4bd0cfe9ea9d1c48058332aabfd576e8ffc88d872bcbc14c6b82470a131da",
    "signature": "0x31d48d643d9eeb2b972a827694e591306783e7460d35c1c8145f986e7fcc09333443d2a385a49a6255dba11b3776f9aa48bef979bd418350ff9feadddfc1daab1b",
    "signer": "0x61a615bD118C69372d0faAD499C8ba2FB6408220",
    "userId": "953337663"
  }
}