{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "804508659",
    "entityType": "User",
    "nonce": "0x1258efd1950e70ceefed3b7ecc86cdc9798aa0b0fb239f203c444561917cdc1e",
    "signature": "0x2da5ab2f25dde4efba313415ea9a3947af32650d34523c759a5625ed397b618d0434b734e6d5ce755f5dd9a5d696a43a16c0cc9edf868c424b1630c75a27f0961b",
    "signer": "0x0246262E4959323EAC2FBf603C6D24352d57Fc51",
    "userId": "700531000"
  }
}