{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x62cc9423b102a78e1ca77322284321b924eb681b284f91d5090bb383573018cc",
    "signature": "0xb956ed829074389d3795dadfde021ce8fec6ef983a6b771cb6fda0a9d448556e574277e2dc6084ddf6487cf1aa0ede18c6013faa95800f37f143074679e8b4551b",
    "signer": "0xCEAE2A6e0589d58c122BeBF898c8A7bfF075E5c0",
    "userId": "921028232"
  }
}