{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x329b0249ab0d9d5fa6ce88a2b13d6bab167bc87178d78c3d7b38c640d2331db8",
    "signature": "0xc8f24789e386b6b02c86a5250ca3b797d0cd384cb6ff7cddf1924afea58efb4645f7cd5678b62c0a198e705f6cb747e8bbc0247ed755437922389a4091caa83a1b",
    "signer": "0xa4A8a4853051b18e0f0f777693Ce34CF4bCe9385",
    "userId": "634886384"
  }
}