{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "348572",
    "entityType": "User",
    "nonce": "0x2b668a74d7aa876e77cd8230287868fc03d16c12fe5f6f94e322b8b6685769a3",
    "signature": "0xe4bb02183c687ef3246435eb869531f914271a176b1412a2c7a6bb1ff04653cf6904ae49dc80827ae02234413ede64284035211acffa168906d83fb6323067b01b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}