{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "83964",
    "entityType": "User",
    "nonce": "0xcb267ef9be4ccd328be03d0c1a3b66bcc33b2e10af44bc141ce142a8ef7059f4",
    "signature": "0xe10217e0908318f5f5c7f3da4eb210f3f239728dea6b04216e81f0aa356c0d2a45a1997204fcf78efd4bf83b02b5387cd400386af47206914f14e4d60d9443341b",
    "signer": "0x9765cbE8e26a2c6c4847C1B69ABeB0B5250EC254",
    "userId": "678556080"
  }
}