{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3028",
    "entityType": "User",
    "nonce": "0x9cd7c9c372bbe51b4b0c41ec218d2b46150960aac6036fbbe62ddfd2a2c9b3bb",
    "signature": "0x11425daf10ce52fc576bcd628d15e124ccc3e820f08751d55a516424eafb871c1b69776a99f282105052d2718a58bafdfc43dbced090fd788d9503ed247d2cdf1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}