{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "119478",
    "entityType": "User",
    "nonce": "0xa0899493dbaed0c6930565a3b7bda087e69fdfc53f24b1335b47aa44436c36a0",
    "signature": "0x7391245e7a0ce92130e7654b41c88ac779511487b954c645edaa75c55bdf66a3331ee88ea41ea8f332ef6306df656516e3b81328879dd774acd14c9d2f4ff9bb1c",
    "signer": "0xe23f94433EED8958AAF9868141BA976B8fffb969",
    "userId": "307915745"
  }
}