{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xdbee9c07e4180675c9dacb19413a8fafdc50d0b9b1f317d786de9bece428339a",
    "signature": "0xd40125381c1c4848c61b29a3810e080dcb31739c0177c4e3369da06e2ec58041217f725ef37d1f24a81afb672d9ff15b79b8034038d4f2157b2b8a056b1021991c",
    "signer": "0x936222d539A82b8FfA7faBBeAC7b9d5952BA7737",
    "userId": "3790984"
  }
}