{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa333c86014acbfb1df4fbff040cca04d755f26565a1597bf1f636a1aaf143b32",
    "signature": "0xc07a9c31d82eeada9c7622fd6d9d876a75dcec248861edb21b1a96c69025df1f3d068cb664f62e1be8c4de089c9f40002eb1cdae75ac7099d4e132a13ce398ba1b",
    "signer": "0x66993861B180Db231c927f4f85332Fb15BAd8925",
    "userId": "953529832"
  }
}