{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1674010",
    "entityType": "User",
    "nonce": "0xade1fe6bc0453e3bfd82cd030ea5d69d60cb96a8a2e5918402bc4e21a62761fd",
    "signature": "0x292932c84acb0f26c9353b16e3b6167e464a8aa83c44384242234d3446f641967d8746bb359d0b03af22ed82b1f9e5778e2b5966b3c800824b74c9baebb1deba1b",
    "signer": "0x742Fff9be20F80Ce7285c8Ab12B9018Ef3Cf14F0",
    "userId": "111467392"
  }
}