{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "940916831",
    "entityType": "User",
    "nonce": "0x53758e9deecca43d971c3d19ab6a4ab7c6ddeac7b370626fadbc619d03330eaf",
    "signature": "0xe462986cc27ccf6b83b61a695634c14d0b6923debaa22891cf020b90606a1fed23964dfdc5a671b988f878c7e475db8fd67e7cd49b2ab72b8db7f5b43b51f41e1b",
    "signer": "0xb3e8F6c63A02c51ccD9f7ed933e4226b6636bbfC",
    "userId": "26997"
  }
}