{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x90875ca6858f1a35b781c4a72e014b0f0654fa6e7943cc9a7503ad51f0ddee29",
    "signature": "0xee2975334b444d5836803ce8b9041a17d53409d8d297fdf7bfd0045e55f8c3797d87eda75e465dc083787559d35c92ffba449b6b4256a6ab73af13320b7428a61c",
    "signer": "0x648641b8343AC9819Ae81C3f57D5364689163C83",
    "userId": "64916143"
  }
}