{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54376",
    "entityType": "User",
    "nonce": "0xa51300d4d4b9049ce8096f3ebe9a5d44f52df0b6fc0fca2289de7bd7ebf62a6b",
    "signature": "0x22397868e4e929bd0cea625f8791c6110e2752ee5a29fdf196b7a7518f03298003414d307b1f9af4dac33610567fbb149585f32f662135c3e7f3ad2b08385bcd1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}