{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "183319",
    "entityType": "User",
    "nonce": "0x94337ad77c0dc9372bd08200040e2209aca6cad94a33a82c92e0200ad49f7a38",
    "signature": "0x381d8d452f53ccac9aa2503779fde6af1f9886e44d7499ef033e807fc7342ccc7e19c520386c76abbda051a9f88f04ba300b0be1c8f4de6b44bf3b3f9203e90f1b",
    "signer": "0x63762Ba099c2247aD3755af8aCb1d62705f0D5CC",
    "userId": "851444561"
  }
}