{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "301926",
    "entityType": "User",
    "nonce": "0x75dc8382fd263bc02b8e7c35ee55b44c2910844f05f3f64c53756576c987002c",
    "signature": "0x84744e45b74a3a6c0dfa2249deb3cbfd12c868c22d4a6a617d149e6525af46492b6bb0cbb02af32ab84707a24d96ea2238aff138c95dfbd234792f9af3a213eb1b",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}