{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xc76cc4fa4543f9dee6edc9d268f1ab07d65079c5f912460a2284c56d505f82c4",
    "signature": "0x8821140fe8190771588da8475bf78e346f89369f8a7fd48c037977331b1c60e27376efc5dd56ef6f8e1d2ccbb3962d48e5a3194e2de9654928ca1a387a1060ac1b",
    "signer": "0xeDfBE8692224c4fE2951E97418044B5aFE3087e9",
    "userId": "16214258"
  }
}