{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1996082",
    "entityType": "User",
    "nonce": "0x07d00856c0fab0894eabb08f827ebbd908a8ab4153339644e0698987e41f06a7",
    "signature": "0xdc6d999ae24b44c3aecd312a9c99e1b7083278f7fd78643f56b72fe7f92f070202de7be017b82bb668466459f7f27c675d5933b9fa25ebfc3035235cedf6d6971b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}