{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1338554",
    "entityType": "User",
    "nonce": "0x8aa4dd6ef65f3732956068d0a5c7f9895ad3da79304b6532007a0f717a57fa21",
    "signature": "0x64d27e520e95915034b593724a20511942d27edcb9ff14d32d0d0c4d369f692231117357d12c784e7dd9584228d679508bc0b3e7a530fa44b711db9ff9ae50ed1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}