{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1470920",
    "entityType": "User",
    "nonce": "0x3d98956de4036cd64b3d6da52cc9759aba8bdf79a2d9f35a91f88b68d02420aa",
    "signature": "0xd30365277e0a3f9ca23c64211cb90da9594b78fe40fbf37944c822c9377039fc2ab34faf5c2af10be9f9f32cd71b7b480632330e408222d2812e3dbe2684f4bb1b",
    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}