{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x0db6a6f73a94aee52a8e83c9c54c9525063bdd1d0ba4f1223ac06339707af209",
    "signature": "0x7ec2a1a2d66110082a66dafff99367516ff288fab236c91d68d5ba6ec537bb440d83aeb872a8b5987ee6b672c43e8fab24c3d402ab8e128efdbcf5952b158e631c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}