{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12248",
    "entityType": "User",
    "nonce": "0xffcc4917c615d217a5c6e950864313bae670fa4b1bc1ccfbc06fd566d6ab9ebd",
    "signature": "0x7ded7246801d08ff2b373752884c3d6f3a51355de5ce44e4b5e7cf57cf6393d0387b789644677ffd73f13c6208cbad458bdc86c78934ff392a70db05d571bb651c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}