{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "58280",
    "entityType": "User",
    "nonce": "0xc7d203bd3749de70c51eb09579bb2267c85390fd8525d368474ecccb317adc16",
    "signature": "0x37df4dcb63db597aa4ba181b74adba66f419c1f4776f8cdeabf3b552bd60eb4b07e8530f29474e1090d79860943a63cea35564b70fe00984f2ad76ec5eb745241c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}