{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0x88044e80a4a6274eb363a88327067b46212c70422d4ce7fedc841689b5b20d7c",
    "signature": "0x4b400908230348cf6c8af6602736d5fa009bb1a0fc572e8d3003efac4ffd5aa27e45998357272bdd5f7f46d0793e1ff3558b8049bb77e12a5cf2f405be8acbf91c",
    "signer": "0x335De7e0034A8f810E7E08E80cA51DFFc83FAAca",
    "userId": "714639318"
  }
}