{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "905225261",
    "entityType": "User",
    "nonce": "0xb49041b99bacda383f37e902da4f03894b9c9ec100b69ab09623f74b6721474c",
    "signature": "0x1ae2b060de55f7c6ac5d40f1b2469d47655659921c0c8ca561ce403a1e143e44696c08f9b7733ea0fc1da99bcf4459178d1058d3b86f359c78ac69dd2a99d3f11b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}