{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61898",
    "entityType": "User",
    "nonce": "0x67c5dfc55c41e8a55a697e024ed875bed366b701268fdd73a47b331e28214418",
    "signature": "0x531d7dee84b21ebefba049e7b6694e37fd83fdcb404e50845f4dbdff01ba4822365431edf6ee96f08b6666bcf0071f923476acb3d7d9a33ec5a007284191183a1b",
    "signer": "0x3DBA45135F0914B6a8B987dEc350396C61FE470A",
    "userId": "392153838"
  }
}