{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0xbfaefe2e98e9a3adfc6f66f3eb8d68acfd1114250f80fdcebcdd34d483175350",
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    "signer": "0xa899e54a1aE2f8D645E14e3E1EBF6398971ece5A",
    "userId": "906687997"
  }
}