{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "755516",
    "entityType": "User",
    "nonce": "0x258d520aee6f217d2619ae48c42e3c8d7ee34a1865cb8bf7242d0745f20db6f5",
    "signature": "0xdaa2b5abb63a9e23645822442095ad9d4dd317495a6f4326722b99398e9b99ea719dba89178e2fc64437774704733e6ae739e37847fd35eeb48490080a8cc2191b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}