{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "224761",
    "entityType": "User",
    "nonce": "0xb353ebb81797da460cf10277c2ee7678a2205fb37173d886bc67618a629a66d6",
    "signature": "0x84da150b53b3daa083f3e4e1c1cef0acfc82a280c28843bb2da17f066486785c08decacdec97f9b2eb9fd9b15594fab9fe6ff9c04bb2d02a0cb96e5d3d287a011b",
    "signer": "0x60B9057eF652D103BD7D66F68F81078E7DE68Dab",
    "userId": "710138589"
  }
}