{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "205209",
    "entityType": "User",
    "nonce": "0x01ca26a70d9b864fc8d0ec8c28d8575042b556dc32910d06a8f2e7ca322abd27",
    "signature": "0xcf8153adcb4d8df2565fba4619dcc9d42a3bd3a957524d404a9af8af5ad0592f7c274e78a92acd7d43d7638d73f233002137eacc120c9702b74605bfc117f1a51b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}