{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1322149",
    "entityType": "User",
    "nonce": "0x96ed6a7af12bd78f7f1a3f81aa19217789bcb743d0ac7e2f0b32f369bd891145",
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    "signer": "0xB1DEa142b6c9E2e5781A6112858f1fA48322b2B5",
    "userId": "725523395"
  }
}