{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "373706",
    "entityType": "User",
    "nonce": "0x85bc75ace599a04ae66d3525309ffbc3170b341ebdc26f806e9cb2f03174a7e9",
    "signature": "0xea75bba46b3ebc01fea3130e8b21da988f48427261415805771f8bd93d2f32326af1e46de108f3b35d1d503c8781155f01748e084ac462681bda37b3e8aaff571b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}