{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205075370",
    "entityType": "User",
    "nonce": "0x88873e5e505c24b8378c20d64b936d680d9a7e7f6c03a48a02e622dbeae92915",
    "signature": "0x2781c7760ab13ecf4d6028e5f551a1bf0f021e36dcb94a206c5f68718abf9ae81ab8331af0f2a68e8638c046a6773ca3274d174c5a45d89030873d58cd04bf281b",
    "signer": "0xDbF494f94f82FA4d07BF00775105E24710fbF7A8",
    "userId": "377987780"
  }
}