{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "941926592",
    "entityType": "User",
    "nonce": "0x87abd341d69084f42bc126b6473b55b5d3742389be7e2bb6ca3c733b813b122f",
    "signature": "0x886e86c005ff08b93c7d551eabaac6670b00073f7ca2b32e931d223514f3b8b206679a849409e1ff4c1575681ff3f848b4007f47d0a73b6c5ba8926f6a50380c1b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}