{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "354077",
    "entityType": "User",
    "nonce": "0xb5f7427dfc5e730ddd57db47095257915907b2b1b43cbe9d569d99da216ad6c1",
    "signature": "0x93a11d1f833b3450fa5f91adc6694746f57ee8d7a23201fdd96d33e55059cf042713cc6b221e39c4a24c4950fc09d6d5e2f495ef15955c33d1d69c18f51e60971c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}