{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41877",
    "entityType": "User",
    "nonce": "0x403a12c4464d627c717579f1b8953119aa65e1d3fbc956d899267668a60f7a5b",
    "signature": "0x94ae78c1fe998a0cee4363400bcf349beb6746f361a83543bea3619896cf8f8022ca38b0cd694bb4a332963235b79b75bc5d54216ef1eace3fa08f5306676fca1b",
    "signer": "0xAaC77705f5f6bd787D8581c36Ddaf7c0c7AE3370",
    "userId": "827420993"
  }
}