{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325172820",
    "entityType": "User",
    "nonce": "0x3110938e9a0ca0d350b6f172206e65b0c1bebe96e6136b7c4f56f0660360dea6",
    "signature": "0x703e19469819df4b101d1dafe90edcca41bb0c7ea2b4dba2a5fc5134d990fefe0ec052968f23bc1ecda302198f0c90c5b8a49006a6120d137ee6735bd051bf161c",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}