{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "275595",
    "entityType": "User",
    "nonce": "0x4d47bd8df7a60c2cf3a9a5f850b9a97c03353cc465ca7eca687228cd9ce248b1",
    "signature": "0x76a455b1460b2da3140809c3c5b78b23ef3e41731ac9b2d94230919f541dcc0842a682dee2ee7f802bfab65e4a1a0d615e648d768a69f10123fdfdcc258a88371b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}