{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x74b5bbe9b933bed7d1b7cb88cf686668f3c664f8c1d43f706699d39866204e9a",
    "signature": "0x9e8ec890de261dcef7ef97efd93acb71e1f808a9724fabc83a6bf94bae2d4fae3d39fe9b4d7b80ef80e567379a03fe6c743d6d048f697d7e65c3aa6c669564521b",
    "signer": "0x7e3c1c5Cb03F8cBd51cF87BA7f53B36573673C5B",
    "userId": "446202131"
  }
}