{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe92631b247387b5955fd989efed0be59abcfe26bc8efb3449fcf3337b6de4205",
    "signature": "0x4c3bf701bae23a3d573cf55f58b3d9f2a3d3cd3c29013fbbbbd2c266d9d8c7493c65932077ac1a6e721e47cea235d15f62ef7e0686d87c73631339291149d6421c",
    "signer": "0xBb3a838399c95ad157Ad03F46c37dC738cb3510f",
    "userId": "770826872"
  }
}