{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xfd21d936050e65c884bb6b51434bb9f6d03306c6687fc7dd8dc9ed4fc7b8043c",
    "signature": "0x3b9a41229fbcc0cbf431e9a444c60e0036acf5035432aa589bbb539d2311ab7419c32258a1829f3888865c3d6f99d661d400f973d0f8568d310bb96e6eed1fc01b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}