{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1683523",
    "entityType": "User",
    "nonce": "0x6ddf96fba32fca1e170343f0bda6d44aa4d1b424a96e599193ac72c8c4d5fcdc",
    "signature": "0xa301fbb2210c6294e861a58b9ec98a29e1b4903a7e94638ed99043e20939ec3a09773d725065019cb9fec912cd079387b415eac2dbcc15bad4592cc7bb077bf51c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}