{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "139975954",
    "entityType": "User",
    "nonce": "0xbe416fdedd4e8f4b56cd944992c84d8a8389f684b02a620c9659a0245eb70178",
    "signature": "0x85168652c819c318b294b43c61c0326450bfe7ed809850c5403a1777a9bf6dde5e74969eee2152d214a1f7d3180bf8c8213daac09d04af287429a5a8335537ce1b",
    "signer": "0xF40Be525727aa96Cf61609f0A493d9E677f73a33",
    "userId": "159460377"
  }
}