{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb0928665deb1004d869caf94f1ad296deb08cd982a5550020adbde7f91ef5b34",
    "signature": "0xe7f51371f0261b47e46c36fc0d55a8157d44585697c6a0031a65ed8f9cdd086d6614894a6c1d3b5e6fd42063f555a742fcc320eda6a8d85029d59ba293f0f26b1c",
    "signer": "0x7466F6Db24ca9b1e214cbD2D5e0B3F67279DaAe5",
    "userId": "97605604"
  }
}