{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "982660256",
    "entityType": "User",
    "nonce": "0x251f7e0d272fcf764572336c2c778ded520dbe9f698bc52b9afb8a240ea1b4a0",
    "signature": "0xb4df42eff4e0f940218fe52afe08c8d7c96064d14cf44c58c5c66dc7911e878426ca592b3e6c6aff4639b4419b8fbf07dacd00d9c496e25fbf31ce2d952d96df1c",
    "signer": "0xd489B786708CDd8661b152CFF27695dC12c8c0C9",
    "userId": "647391197"
  }
}