{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707342168",
    "entityType": "User",
    "nonce": "0xe832960bb9f2bdddc5e0ea7904589e4af6190b385074e926c51056bfa2dd9548",
    "signature": "0x3ca70940406afacfe38517bf533d54cfea09cd6c4dee85d82e6352b638f683164d2e6dd60e1c8056c1bd009921305aa8c30cc11c45e59a086c10bc146f0b07ae1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}