{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55369",
    "entityType": "User",
    "nonce": "0x41f3ff00114c30577a3b388e3a03276147b863d83a38c43000e49d8d0052e95c",
    "signature": "0x5b29b776a916b68dcb052b66b646eace657cc07c6107de4d775448c2f48033616c1b286ad9058e79ec3119d5a9f96bcfc930deff299ab43ca67f29449ee9a80e1c",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}