{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "127964526",
    "entityType": "User",
    "nonce": "0x5e23242ea49c80fb7b00a9e364a15a41586ae45b627c6cd7c2fb12403199491e",
    "signature": "0xecce4ca7f128ed635ef98c7bd908a06b576ff25af80c537d8e4fb96753796f80302b4bed3403f3d0ef01ac21da42c53590a7450c327624b19640b0b78a36c8831b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}