{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0x0b06cb40a1666fd74af82295b9e4f08ab624550a0d417e04a6a9f9f4c77b19cc",
    "signature": "0x31762d064c769d9f54ae6a0f48fde62cc90e75c07ff8a92a94b8d59512d9dc9c4e28563ba748ba58885f8b5e99eb0cd7f7fdb76ca66efe747cb009b3db975d761b",
    "signer": "0x4aAea60f569dCcb07000e6BE00AdcC7F106eF3Df",
    "userId": "353528"
  }
}