{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x1e24923717e8568bab96d31ba87b0f46c46080187b16d2ea7136baf57355cd70",
    "signature": "0x66f4ee26393638959265b125308a8071d84be94eda01374f1ff4c7f3457ef1625e403bee1d8e6434c75fa42f7c6166e2d5838dd16f1b587b92fb69cd86323b6f1c",
    "signer": "0xF0CaA5581Af6ee80150b5aA4643d1069EC176dB6",
    "userId": "834540087"
  }
}