{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "10726",
    "entityType": "User",
    "nonce": "0x33206d02ca46dc1217e35088bc381c93e6f018b784a6daf1f236c14ed1f80a96",
    "signature": "0xaffd4d14a1512db77fd6fd943b7fdc4b7ee0c6c3a7bef9b0bc0f08e99e6de37206a2a1a92e9fda3c0f2954c2d26d6558c8a860f5ed6a37073e5f3ccccce5b3791b",
    "signer": "0x33c702d534707f8Cada5DdD521C5900827973f1D",
    "userId": "5642"
  }
}