{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "63084",
    "entityType": "User",
    "nonce": "0x57268edabc64481ef83a6d74a6f48a122e8c4fe8ff079362988a02748eaab420",
    "signature": "0x31622c11e3d5a6342fdc991f9c8ae2d819ccc5ee4549f92fba9b1460303c0cbe6f64b815f3c0c89dc8870e521d8d4770adba6500b16a125156dfb3239df5cc551b",
    "signer": "0xa603e9487Ed7C3C62E8acb85f8f32acFf5d6349b",
    "userId": "278135553"
  }
}