{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "225919",
    "entityType": "User",
    "nonce": "0x80fe46a0b88eaa5430e902906e968fea3c387589b2558c5bfe59e4bcfdc28529",
    "signature": "0xaaf7341101d7cb64dc93dea7ffa7b211aeb3450c7331eccf88acd6cd3b8dd64429e218101f5e573af95eacba709a353ca11cc30fa56e86327ac33a17bce84be01b",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}