{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74684",
    "entityType": "User",
    "nonce": "0x361c8bb697c4ffc46ca9c2db52ea10fc8ea73a719833490f1599b6f6ae390b9a",
    "signature": "0x5aae286775054d7499ad1ca92552f5e7788a0a309ee1cb2ae0c68d880422ae3c10ca1d68d079142cb70afdb63853dbe656c447218edf7378f5a6b6be795687331b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}