{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1863",
    "entityType": "User",
    "nonce": "0xac633b3196bc519f34dba8c3a8f15e952d4e004b6d5b592f36957b502bd5dc0f",
    "signature": "0xa658147dbe4db9947fd26e14fd64578f1db43f7d1d6b7d7c7a128e5688a751847e60dfee1cb30c4fc0f4afbf392ee4d77a388872899ac9c3730070f35057256d1c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}