{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x0bdd169cf067cc7a1da4167307b5f6d0aafc3b28bc2d52077023093707ffc726",
    "signature": "0x0b796367f72bb3e88472a5195fa92ae8a6f307d6dd92c211f6a81f15e71e9e4b437cf0973a2e6fe00ebd48511f1c2909981cd5a1653bcb20ba9cd342f1dc4b781c",
    "signer": "0xA3312C0b98998f02d722cB8f7A2C0c28C4370Ca5",
    "userId": "49582319"
  }
}