{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xd2b0bd3ad394b2493e21e5b5b7c8798be5e0c25f330ca8afa31d2e9927cd213f",
    "signature": "0x1f474e7db39fdd35b451c9c56c67e664781526b33242ad3a7d4bdabbaf2991f719e8c26bebb25b54815c0739e1455761ed1a613c7140179ada1d99af6e4e25241b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}