{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "88863",
    "entityType": "User",
    "nonce": "0xf6959ec609e873d75476d0c8ebefc2c206e0957bc3f77ac471978758f12c9dd1",
    "signature": "0xee7ff09db83f76bf31b52c375599a29d1e695031625dd0467ec221b4d7be75c67068d8d9976a40cef360cb369028cc4216aa685e4a2462449a0b09b6ae82ddd71b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}