{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0x19d18be8d44d32463489b2c103cb4ba1d13173257e746417105ae8930b5437e8",
    "signature": "0x313e002a71f376f5b5dbfbee1bf5007e67410eb52390cd9b5e0705090c87232f2eb7198a32e99917c67dd7f857195fb501c504f41e3b84ba4b5a99169be2cd971b",
    "signer": "0xF6F9F433Ab5dDe3c96D63C2fFAa64b610599a410",
    "userId": "80682"
  }
}