{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "687788",
    "entityType": "User",
    "nonce": "0x4f865916f77918992a234e6c34178945618e2922d66ddd733c1b8160ec68dbeb",
    "signature": "0x77285a8b0d3312ff51f6fe11aafecd11f7461b5362e481c6f8c9323048b46729664e31c226b20340ef46514fa78be756b3abc257a332166b2495acb29feacedc1b",
    "signer": "0x8fb06be829c5718Bb968af1525d910B795617ac0",
    "userId": "950478625"
  }
}