{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xfe9734c0b8984e1ba6b69f83f000392f5a855a9b064cbe8ea5eadde5269663a6",
    "signature": "0x8280f972de07a654e3055fcf63f468afa48bc2e89d62f79d58fea91188dfbdbb059ad4b70790c49e3b95add1269b1e318c3d6464c93dbbacb5601eba5b68e2e31c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}