{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10449019",
    "entityType": "User",
    "nonce": "0x79397bf59f35e54ff3ac7f28916ea1172851e24e61038ad70ae6162f423de0e6",
    "signature": "0x8b98d5e9e53870758beeff792dc5479ce2cf9bbed6df55916b974f9bf8dc52e53c1dce97c0c8108c1a7b61b0157d4bce1cd0b1c469b5c0397dcf509435dadf3c1c",
    "signer": "0xC08bE28cf05cBcaE3094E0FbAbfA61ca8Ad61dc1",
    "userId": "190259218"
  }
}