{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12150",
    "entityType": "User",
    "nonce": "0xdac26ccb5c4e65d4d013870d7e9be2e35e7246bcc88348e467bfab97c6bd25d8",
    "signature": "0x2e5f2b8504d5c18758c5ef6a5ddf53b9f3ab346b893bcf4788e61cf622dc875f0e0b1977652eca6ac016c108e9d8ab344de11fa282c82d24c6ca7c26a7b4a9441b",
    "signer": "0xFEa2c41d314209186e519b7539c0FcBDa1F9f00C",
    "userId": "51657002"
  }
}