{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x9c37c2f1085f0a4bdfbf5d7cabba54436ed6570ade9ef1c8666715142f8e377e",
    "signature": "0x342e4b857948cdbed3e7e74e86f861285bbf62ba7d2fc3ee417f979ab067f8f92ab20a675e3647540465e7a5e8c7177525f0c503655e843343c7aae11d0a97831b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}