{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "948584098",
    "entityType": "User",
    "nonce": "0x9ddfbd3b0b40a7105b65bf2c1acb1f8bf56cb99b4839134943c73435fe2c44f0",
    "signature": "0x542754e93cf056ba016dbc435a2e8e79890e8631a270db3934e0b6f2809d96493b8962fba72c00be28119901ce21a351f18c8b3e36930036f7861162579431eb1c",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}