{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "846143940",
    "entityType": "User",
    "nonce": "0x1a1e468feda97b315b94cce2182bab3837be378434275906ef42947853c51c00",
    "signature": "0x3c925ee3ff5b0dd52f1806416f7339fb51c2bbc4b118b40dd6f59227c79b7db54e7534338010b01a51d12b204488ae22405552323587050f3adc3bf99bf6196e1c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}