{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176232909",
    "entityType": "User",
    "nonce": "0x3143949dedc3f52ddf71562c99b910a9bcf93b24300d5333ac4f639edcb1d64f",
    "signature": "0x5d9eddc42a5c7f588986c5659baf4b1588c9dc97623c4d30d724a7fbee9190e924c867d5efceb930f062e92df838e40d4766d5461901d7e4cf62349cf4610e1a1c",
    "signer": "0x7C2169544c0568cB3b210f320356B6A77E891F30",
    "userId": "495616082"
  }
}