{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "80964",
    "entityType": "User",
    "nonce": "0x6d091ecb59ec3ea0b55051ce6b8b9061a56daf1d4906200844c46ef4eb93d0fb",
    "signature": "0x1a24dff034cc1e71a7d4fd9de3ef4f02a55a1c984d19c537b421bc4d91c1fadf6519f3a387c4b9ef85ae3f9d34a4a1de9794a75c427c9200f4696d40011e24eb1c",
    "signer": "0xff61C2F581c4C2d8Dd7096dd6f44505117256C6e",
    "userId": "695559277"
  }
}