{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "39181",
    "entityType": "User",
    "nonce": "0x98149dfd5ab1ed5c67f8b1a4a144bc087364634687c3067283549a46fc323e0c",
    "signature": "0x60dadd01111c7404a61102bb3c24e95b010c9ed944fdafa28b0fb9edba4b7c4e5d337ea6e5a0bdbeeda49ffddf4597644ccd65c79a8852a95f7d08b1c332eb3e1c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}