{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "962634039",
    "entityType": "User",
    "nonce": "0xe3f10ce67a85373526f96368571fc9513a2bc8658446bc2997663871e9fb5ca9",
    "signature": "0x384416098490c876218af9ac4a7374508edbf06807df7bf4e6fa9eb5b00518201a398e7d409b0f3a9967c2e1c44226687e6b7c1b6814288926098a1459229aee1b",
    "signer": "0x57952fe23FC9B280A92679ADf900A4eB42305B07",
    "userId": "58414846"
  }
}