{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "956241273",
    "entityType": "User",
    "nonce": "0xf30df55e897b801f7bbb00b2e39e65672cc6487e1d806a84b06e1a91e83ce8bd",
    "signature": "0x5ff7448a4ac2c1bc4efa01b78863641348e76d0eda0d8b1b1bde78e5e4b43e881389fa3e3c9d71e83dca2213c986ed8c39fbb777ed8063e7d46114d0402f5f8e1c",
    "signer": "0x4a4E686a6442e2Fc2495a7d4363B25c583Ea3c3a",
    "userId": "34815"
  }
}