{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x68e93eb9eb6865928674e0c9f480fcd8d9d1ded2295e3cb39b71790251265f53",
    "signature": "0x24d5f0706c7f4f084a07ae0e5bdd37258bd69de2866b40982366ec8c855cc78569333d648e8b51bd57a7deffad06f2069502b52a62ed94ad0567098f385254fd1c",
    "signer": "0x8FC10d55fc21a28Bb280730c2478a62165b9f75e",
    "userId": "728580279"
  }
}