{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10979468",
    "entityType": "User",
    "nonce": "0xcd08de206a92e9c48a127365633c323a2bf76946d84fefae9965f5287c36d5e7",
    "signature": "0x2c424fada4755684ea31103d3954d63818c3d22d63000b901503a69012fd9f6c023a065f75dbfd4b64e3530403b9a5b4a71dae40e9b275de8818bdba59e857cf1b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}