{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "71077",
    "entityType": "User",
    "nonce": "0xc74ecaec29cf2737f9976fa45d41ec6c90e00f975aaa725cb3cd98aa2bd0d83b",
    "signature": "0x88c923236724e7a3006d5cfd26b4e673ffd279548a86abee7762fe6c2ea206614e165ad5025fd0d257484ef822623f1e972c25d1694b03dfd69a51b29292b73a1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}