{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x05a3bcbaf2a326e0a9bad1735941c0739a2bf6634c1bfd94ed4559f702a0e4e6",
    "signature": "0xce9aa0731e420f90392170699f27d15fe5e318822c9e16708735882b347b38100d5c071963c41d5d119a7d44ec0b483d5950bc98040be5dcb8039f8d32b76b5d1b",
    "signer": "0xe5404b7381e209b65A80d6AF2773cEA4F93E4408",
    "userId": "232176437"
  }
}