{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "389958",
    "entityType": "User",
    "nonce": "0xc2e70742809876c0c6092b4a6a3480668c8c927d101a8322b6e66ca47ed87234",
    "signature": "0x9ed6ab44b1f0aca68fec512e6467d9b518e1da07ebf44091d0626991f5034ccb690c88d0c33cbba82a7b3229a4dea17d6efa73b409c77b0910e2597dc944ee501b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}