{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20896",
    "entityType": "User",
    "nonce": "0x3f8c8d0f59e4cd21ce4363be5865b8d6e502edc2808a1bb421b3abcbb42d7ce6",
    "signature": "0x0d7b3e0c9bba428a57dbc26b0dfa7a7b71ecc266bc825d70aaef67fcff2a4944693eef96137afc5f86c0fd501b1cd693e7e94ff66460c92cbea43f15c2ceaffc1b",
    "signer": "0x474B8467757bEdBa76afC2394cfCb801C991B143",
    "userId": "815537464"
  }
}