{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "917715333",
    "entityType": "User",
    "nonce": "0x5ce1736135d372ad82cf4e106e845a7ac961b78f37c01c7080d49a85be88d4dd",
    "signature": "0x2729a64f159affc55f76377f1f5c6fbe66d75b6865d3fcbadf488b7e7bac33914803517aff656ee777369fa5cc812a87b1134864a10fc34ab119de2f312c40ab1b",
    "signer": "0xa185Ff45de6FF68eAa1d7ceC338cba250810134c",
    "userId": "54166466"
  }
}