{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "266556517",
    "entityType": "User",
    "nonce": "0x62d9f76c6bb85ae218ed976ffb8a1b769eb86406b6e76aa8210f9b4c2a281ac9",
    "signature": "0xa726b8179a4b1b2f021a680e30ac5b61477c9c76fd18cff7adabb6b974f5c89d25bedcac81dd91ce4680e0202e66222ae831e209e60c9caf8733dfcf5ad63d651c",
    "signer": "0xC7B16Eee24C03712c67aa884907593f4df23db87",
    "userId": "56534466"
  }
}