{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54456",
    "entityType": "User",
    "nonce": "0xa8e715fc89bcaa954ed470ed187f6e1ce0cf8d64d602225fe514b5ca845431a8",
    "signature": "0xffe6b6827b49c0f69830a46c70a1eda3feb5083554c1e760d843693a16ab62db51d6dfbb90aad5af565c165ddf98c32987c26dcabb7bef8ea9ad69a436ec3b651c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}