{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "943606732",
    "entityType": "User",
    "nonce": "0x8e3ff4709eee2d9ea8ca1ca006820fc8e26ed98b4f3ec2e56fc9cb9f1c2b5e7d",
    "signature": "0x3a936902d47d8a49e4f6ad789c5654b1c89132cbfdf63f40b210b60344432e65670e21606cfcfe17170108323997d9b75da919103d276609cb678eb2bc2f3f691c",
    "signer": "0xE92B30ef20734795CF0471Ecf7e3725c78D905B4",
    "userId": "460692842"
  }
}