{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "217405",
    "entityType": "User",
    "nonce": "0xb59ab88da8feb9ba03062cd15b88e9efb135864d9e4e3e495b6d4effcf308977",
    "signature": "0x0ac1e8204b823a0a721e74d4a8bc66758af3f1f1d503c9db1ffe492cd840c5ec6549f235e76f125ee4a43059363531f38c2ea208e2c20b0bebd4e71ef58016411b",
    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
    "userId": "120328011"
  }
}