{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "302888",
    "entityType": "User",
    "nonce": "0x9fa81145cf6591f08afbd26bb56f3230f61d2d785244d3e23fa41208bd1334e3",
    "signature": "0xdaf8e858583b5570720a94918661a46e458c690c3f9811a4e381017e91c0b5e84399cdd38c54df1fa9fab94e622ef48dda8ee5396e0532820d61a620a4be19aa1b",
    "signer": "0xC3B8Db4fD6b5608e625Fc02e4e8B7a274B7dB687",
    "userId": "110486155"
  }
}