{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127893",
    "entityType": "User",
    "nonce": "0x2166b92a937f16720e4109350d4d5792df8b13eb19429b78fde7607883097fdf",
    "signature": "0xbffc4fb8dace5bef1127c9c53aa033618f2a9979280182ac7d24f9263881571049b8275801ce1f1cd686e628c3f87260dd4f75c0410892233e3d33b79afb87e91c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}