{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa25fa609807bddb4c97a2848e5fb0ace84df9a4f6eaba9224eaaa3665d306202",
    "signature": "0xf35cd8258c2cd7657819df46b8b8674c9c377624fcd2a3009fff34b1898668477a2377a3d1c4028b74a322ed79d1b96637ba0bfbb2f11ec8a343c0a3a8cc47f11c",
    "signer": "0x06C5F1f1F90a4001093385f0451DB59495965f99",
    "userId": "684154182"
  }
}