{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "396164",
    "entityType": "User",
    "nonce": "0x2b4ad4fd436ceb1bffb56fac3150cec4dd44702221ecdf5124191f8e9302e716",
    "signature": "0x957120cfa30c2753ee9c9f619f9bdd1ba006365210f68e0ea384f5aff0a22c543f192b5c506810df55718978362110e1fddc0e9db8d6ca317a6b27fdfdbcf6761b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}