{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0x4f201654a7c817a16cc0c120a0276e699dd392cbb4c014312639dd2b90da3345",
    "signature": "0xdc2886875cbea78e907e8c273c0396e55c0cd321ab321a8fbd4aa5a947933897057982fa86ba428f5df48079b6ad81d21ce6729de223d63f2049040da609c1391b",
    "signer": "0x849b8180f084363b37768C823c174C9786020A66",
    "userId": "817339612"
  }
}