{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27669",
    "entityType": "User",
    "nonce": "0x3bc9b746074d69b31b7aa1a2c67c817bf969f217dc477afa8504f5ee622ac8e0",
    "signature": "0xb45d40672bf33ed3d448143e9133b75f123bfe0035f2a43dc686c200b2ae78e50a8909090fdccec6a51e3356e979595340b7437361cce6ddfcebcbc6eed9aff61c",
    "signer": "0xFE17Fe2677AF57d35AbC9CeafeA4FF91C4542293",
    "userId": "934065758"
  }
}