{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "93237",
    "entityType": "User",
    "nonce": "0x8558686007286ec528bd321e2b027f8ee43e04c6e4c36ea241efb2b3c1cd286b",
    "signature": "0xc1ccb64030a395aad2ab85ad3c571175e3f7143fe6deee086300f70f32780468507d2bc3b3fbc3b7aeadf4b31abef942c93403201459445cdba96e12c6d65aec1c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}