{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x067e37e4bec79e302b338a7e7615b87f01b7f4f7fa287da39e12e80abd618663",
    "signature": "0x61a6ec9f4a38166bf971d81a62e93f508914856784ef4974a0329244db2f785e00567b7551b3fa376688dd403dbc040f4de653b897f895faab51e5afd85a3c6e1b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}