{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "208172114",
    "entityType": "User",
    "nonce": "0xbf96ab4f3058d3c6a05afd66968f5110f11845ac8b5510e9a99e946a0dfa5b49",
    "signature": "0xc4f36a680aa8e74c5dcfbfa14b4f552f75a3e31d1d534be748bc20a12b78c22d12d7aa125470c2b48d254f186bab9ab5b020fd27747f03e43fc59e433df573421b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}