{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x34768b824d37799ef21bcf397e2faa5b3b30dcce2947160ee746117327993be5",
    "signature": "0xdfc25459cafced1c56381f9482b0e6ee8984d9588d2f5f002bfc0f37604618e4652a4dd9528b72afa8853893075f508367e6ca0e1e1e3fe433871ca37c7a83041c",
    "signer": "0x04466826b559ff734EAe9491Bf4C1a3c2fFBA6a8",
    "userId": "272534777"
  }
}