{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69344",
    "entityType": "User",
    "nonce": "0x8f0d36a532affe5f1b75c7c3ff6ca6b2d31884ede1e73ca8aebc1ff645207640",
    "signature": "0x094aacbd5fb8e31edbf65eb9895fa933f283919e7d3050d83135a8fa85b3124244cbfcf7acc6468664b382347cd8253387bd988b174d3fe827784c128e6470761b",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}