{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "86827",
    "entityType": "User",
    "nonce": "0x31855cc58d4c24150c5200a5cea1e6ba4eb1ec9037d0321084d180e815591887",
    "signature": "0x93138f4adb5f7e6b918351734a717563a67bb786a268bc310afc198cbdd5c6613524dd2484a1aa84c244c9bec1900cb69778c41f3320239cded67680cf46c5c01c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}