{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "306863432",
    "entityType": "User",
    "nonce": "0x23f0d397ef091d2b0420e0c75d29b697f07d77a0f6e8bfe6d34109c808683b38",
    "signature": "0xa1bc37bef9555d472ee069fba882b2fa5d8edc1dac151f0cdcac5b4ac1b4d9b614e1f4965bd02f4d089d505e3bc37b0ec613fba4ba67372de3754f51275bd09b1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}