{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x173f83a3599897d9efb12c5837dfee85fc1cb0e75d2bca5e095d803d1d65190c",
    "signature": "0x2dbdef25c25b282eeeb0c2ddcf1c083f74e3cfd8b748830260025a0bbf953ef67f8e970f44bd626e87bd81d00b8c4bc979c9fd87b190b8fe537ff83423cdf29d1c",
    "signer": "0x9717Cec0d26c8A36Da08D838f174B2f2d462CBdd",
    "userId": "512398030"
  }
}