{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0xacbf27cbd90e30d7fb03783f01a1fba4b147af68284e79b2067a05b919c78314",
    "signature": "0xcb3871d9595394571324b8f302bb89920403a92136408dac8c23548ddf4ae6815b20c53abfb6f50bd4f717d1bb5a324c3deddcaba268e9bb7a12be00c2055efa1b",
    "signer": "0x14FF2Ce3bf23AEeC9C140996251F6f85D8e99431",
    "userId": "53273933"
  }
}