{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "239519",
    "entityType": "User",
    "nonce": "0xe47a5220667de4155312003743ad778311008e39301b824516d9f06324376fcd",
    "signature": "0x2d993f3ecbd18f50a4616100e99877646629d21c28a6d9720a9f885edcc7ea7f3dd4fd428e91ab2ec80809fb9f79f76b0debbf6e706979082ae12275fc88f30d1b",
    "signer": "0xcdc1772589e70ee6667FAaC93E3F0CcD5BFDa2aE",
    "userId": "354908"
  }
}