{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "255385",
    "entityType": "User",
    "nonce": "0xa03bc036faeacfb62dbddb6c4a7bcf03a48e2451b3f6d130788fbac4ab282c24",
    "signature": "0x2e341362efccb57811c9389e952155c1240f8bac98fb956ac6b764c4a23ac00a63d8e435d9ff485466c61f6a5ff14086145dc75e185c7a173aa976ec9b2fdf4b1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}