{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0xf4988cfe699d7e9fe07d3673a93bf94dedfb3d2bd129f92e18b9a8ad9718710c",
    "signature": "0xdb9d403d511faafe49849b870af31af99b63786bfe2347bb7750ef34605c22806ae8698d4e2c68b31e5ee89ea750113c0038667f4cc42a03de0d21e42dfde8df1b",
    "signer": "0x95D5f6d03FD9e6Ae11F25Fe683EcA6fC4c0EF026",
    "userId": "689008688"
  }
}