{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2595",
    "entityType": "User",
    "nonce": "0x4afd07140e4740bc088c3f2ad4b2fc5eb88f968d2056f84b065c4bdf486e92ed",
    "signature": "0x697ac2aaa24657b520b2e4a10cfe3008bc7cda02c68ba734f135435d03fa7f3978270c9ada71b8bee90194e44306abd41b50f2539c0598a39ee5b0c7bd99c8971c",
    "signer": "0xd3cA7B55fFc21a012A4F3fa07C2C8D79aA70edDf",
    "userId": "669483561"
  }
}