{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53010",
    "entityType": "User",
    "nonce": "0x9f2a2ca19f2472b3a5da6b0b99beff722ab28c299388ee9e3e5ceb77c884f5c6",
    "signature": "0xa05958e5dd549f60cb76bae291cc11ad95089dc5658559321bbff52a3cdade8f011bec487ac0c244a742cb55689982985166726b22654a546e92678828a458e91b",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}