{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x0f7acfd823a60b2eaf36be6353ba08dfacf77a4f0cab98ef6b98386aac29fb99",
    "signature": "0x0e1803655262d9e9412ff779122750d52e07cebcb942fc0063825a4c6c177fb4684bebf02f3880557b375aa849df2d7f524cbae0988351a1c9e70d19ad799b341b",
    "signer": "0x9BaE2e1849D39772019b4AC3468e938a232f73ee",
    "userId": "948584098"
  }
}