{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "137691",
    "entityType": "User",
    "nonce": "0xa5836853c4f6625b520e36fb0c0a014688623841ae5cb23a819889bd2f76f7d1",
    "signature": "0xc896d47cf3a59983af2c0386ac81d61fe3fb7c73b4d214bf8724396d8498ae597880151dbdb204a07be1ff408a48c258566f68d1d768aadb121f1a4cc545aa111b",
    "signer": "0x063914dBEA89B25900ee50A22fd886126FCbCFdE",
    "userId": "773349352"
  }
}