{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74667",
    "entityType": "User",
    "nonce": "0x2c7b998d17ac32d3a3c7a5464c30efe11daff8f7215233ead31d57cf3172fd7e",
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    "signer": "0xB1DEa142b6c9E2e5781A6112858f1fA48322b2B5",
    "userId": "725523395"
  }
}