{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbdbbe37efa0420f3e4851cff636c45c507f1415285ee8dc250f1a31b8ca7edf8",
    "signature": "0x40dd60b7d5bf3000226f9dc3d9d48b443df2b5472d8393d4a18dadac84f9bb546a55624aca3b3084d822713ee014ace2eb314b1e92258998ede1f42cfd33b0251c",
    "signer": "0xaEdefB0Af082e7133c9294810e332608EE65bCbC",
    "userId": "174259073"
  }
}