{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "73692",
    "entityType": "User",
    "nonce": "0xc9b0ea04dee32bcdffd1d32374bbf220a356906d89d7579acdd44f0f1efa52a9",
    "signature": "0x6aa7811621957d39e48f78fb67f33d605bc5c364a635d7f2ec09d4bd0f5c5d144c6ed04791366fd2fec4ff9c813052e44609d1421b0a27816700fe00ce3e4aa31b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}