{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "25895518",
    "entityType": "User",
    "nonce": "0xbeaad5f95e673461bb016d512ed4c98f8f0c66355ec55e67e7af1bee72bad052",
    "signature": "0x4b8be1b35e854047dc5775191a69a4102ca415638d22c8dfc45bb6ba542b17196df71b7a8be027079611267e8ef19bf72e02063508bb19f9d0b4bab992b09d3e1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}