{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "898830424",
    "entityType": "User",
    "nonce": "0xf87be23cece9f28c24faa605da672d706627098e0e7075efa4ecb5eb2acb4751",
    "signature": "0x4969a1195f072ef9ddfc15f02ffe672731acc305c4d65b10053040d1022126ad14f09d9b922857a84a7d01ab76ee08f765185f9a3a55f974c6e4d4f818db9ae71b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}