{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "147893",
    "entityType": "User",
    "nonce": "0x155e8363bf767f7aa0f0bbf027e453c189cc072dc56d400e52bdf89cc8bcb013",
    "signature": "0xc5656abd24ae88d00e6e4856b36b69d28d3faa8dea0dc49bca73e0d8defcf80a6887107daa1b364be339b6802f046e11672e7d900be312be6fd83f6e0e7ebc6e1c",
    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
  }
}