{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "917715333",
    "entityType": "User",
    "nonce": "0xfd478122d65c41155d8438edbe5f0fa60296484480260002c322430d9779c254",
    "signature": "0x0c3990c2418e3ff22bcafcca9686884dce9a4a5accc546b4f3447e04e58bf16e380a680ee47b1b3ac49ac6e1e793b922c424e06095f32fd1da37084357d2ccff1b",
    "signer": "0x6B239e9B75f27b519de7Bad3a26a0b7d30e32D3f",
    "userId": "311257477"
  }
}