{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396626179",
    "entityType": "User",
    "nonce": "0xe02747e7fafca908d0e80dc1f5afac3b74b4e92b1fa3ff3a2d824e66648c5a92",
    "signature": "0xacaa401138fd8d0ae2df70c323435d66ee476db593e57fa19aaefef80d57b5003a8c010ec462e0f431c7f99a93d7a0aaba6922afca23d781a1e2bf5815acf8881c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}