{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "43309",
    "entityType": "User",
    "nonce": "0xbe43acff698841d3e911279040c14f768b11169902458fb4f97e648f28271af5",
    "signature": "0x20c83d019ac2f01b59dd6a070702b4f054cd907b5057f2fff879259a4c0e25285f4c4eb5ddebd56886c7e6063bc208484e83b931d35dc26a83035565a4d65b911b",
    "signer": "0xcF5801beAC04340637889094F04324eB09bf4844",
    "userId": "976132619"
  }
}