{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355715",
    "entityType": "User",
    "nonce": "0x27b9a6f8c6b716441465286ef7aa3e99403fcee18f936884934fa7fcdd3c35d4",
    "signature": "0xc8d2fd5b616cf5da547e26d3d8fec2cae4ea7fd2a12ad78d65847bc8e314cd0a74924c95b9ba013a12c5ec27f57e78178c8f825023983d8d452854d7932bdae51b",
    "signer": "0x7E7b9c4DAC3F284d889a5bc274eA80b8BA5F63ee",
    "userId": "670307808"
  }
}