{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "486490947",
    "entityType": "User",
    "nonce": "0xcc72269159592763451d6fec21c01538fa12f8cb862175ef85095eb395632e3d",
    "signature": "0x56877dc878b0c5b9eedf1dd25e833dc7810fb648965639fb72869556bdbe4a7e4e699872f0a3826392930ebc1de45856ed15770b99c76c27e3743e2b7c16c5ed1b",
    "signer": "0x7cAe236599Fd8Bb1a06591d18205Fc5ad333655c",
    "userId": "551794754"
  }
}