{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x60d52f7eb82681a257eb4ce7eea089fbf45761e1c0551ff716d592f45f6aa2e9",
    "signature": "0x0ba33bd2c0894bf29621721e27b857b4636a5c90b59976d84173c0afafadb3dd177a980e545ea8c5932459a34e7adcb8bf9166852baafd2dd32391ebb8dca22f1b",
    "signer": "0xE98467d4Ecec97Ea2c684c0a31321d7ac9E157bb",
    "userId": "680543366"
  }
}