{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "101641",
    "entityType": "User",
    "nonce": "0x7fe7f1d105ebfe9c68b2d40ba65d92569c0a9e99ccf28ba14af6687466cde3f9",
    "signature": "0x4737e69d938e52b038711bc52aef7a5ccddee67d43e2850d76cf60411c2f6b2563723fe97eee8a7eb067a408f61d93149f697d73b9e74eb0b6c42d06023217be1b",
    "signer": "0xAaC77705f5f6bd787D8581c36Ddaf7c0c7AE3370",
    "userId": "827420993"
  }
}