{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0x4664d01e95954ed62462f0d018675a6317c0b4f79abd66704d01ca1a618f8d26",
    "signature": "0x856190b7fc42dfc5ff9d0c53ad5d5f2945f8cac1188fffe8aa0a525483b2aaf05feedd4531f2dcaeb61010ac54bb964d8b02ecc1d57b941cf273b329e818ec001c",
    "signer": "0x808dc688c8aF9f9BE20E02246BE7C0fCBe9B4C34",
    "userId": "396164"
  }
}