{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "584724126",
    "entityType": "User",
    "nonce": "0x0c539ae55f3017e13e2756087c6f0ad7557008e36e3fa57ec7598375ad11079f",
    "signature": "0x7d099d1e0f60df585851fd1d76eff2ed05d096c6156ff6011ca34ea6837f249d039ed5936f52ab6203ce04671fa182319f3b9743f8cf9cc023cc9cc05d3f53c61b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}